جميع أوامر الماتلاب في ملف واحد - Matlab Commands

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جميع أوامر الماتلاب في ملف واحد - Matlab Commands
MATLAB Quick Reference
Author: Jialong He
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General Purpose Commands
Managing Commands and Functions
addpath Add directories to MATLAB’s search path
doc Display HTML documentation in Help browser
docopt Display location of help file directory for UNIX platforms
genpath Generate a path string
help Display M Command Window -file help for MATLAB functions in the
helpbrowser Display Help browser for access to all MathWorks online
help
helpdesk Display the Help browser
helpwin Display M all functions -file help and provide access to M-file help for
lasterr Last error message
lastwarn Last warning message
license license
lookfor Search for specified keyword in all help entries
partialpath Partial pathname
path Control MATLAB’s directory search path
pathtool Open the GUI for viewing and modifying MATLAB’s
path
profile Start the M-file profiler, a utility for debugging and
optimizing code
profreport Generate a profile report
rehash Refresh function and file system caches
rmpath Remove directories from MATLAB’s search path
support Open MathWorks Technical Support Web Page
type List file
ver
Display version information for MATLAB, Simulink, and
toolboxes
version Get MATLAB version number
web Point Help browser or Web browser at file or Web site
what List MATLAB-specific files in current directory
whatsnew Display README files for MATLAB and toolboxes
which Locate functions and files
Managing Variables and the Workspace
clear Remove items from the workspace
disp Display text or array
length Length of vector
load Retrieve variables from disk
memory Help for memory limitations
mlock Prevent M-file clearing
munlock Allow M-file clearing
openvar
Open workspace variable in Array Editor, for graphical
editing
pack Consolidate workspace memory
save Save workspace variables on disk
saveas Save figure or model using specified format
size Array dimensions
who, whos List the variables in the workspace
workspace Display the Workspace Browser, a GUI for managing the
workspace
Controlling the Command Window
clc Clear Command Window
echo Echo M-files during execution
format Control the display format for output
home Move cursor to upper left corner of Command Window
more Control paged output for the Command Window
Working with Operating Environment
beep Produce a beep sound
cd Change working directory
checkin Check file into source control system
checkout Check file out of source control system
cmopts
Get name of source control system, and PVCS project
filename
copyfile Copy file
customverctrl Allow custom source control system
delete Delete files or graphics objects
diary Save session to a disk file
dir Display a directory listing
dos Execute a DOS command and return the result
edit Edit an M-file
fileparts Get filename parts
filebrowser Display Current Directory browser, for viewing files
fullfile Build full filename from parts
info Display contact information or toolbox Readme files
inmem Functions in memory
ls List directory on UNIX
matlabroot Get root directory of MATLAB installation
mkdir Make new directory
open Open files based on extension
pwd Display current directory
tempdir Return the name of the system’s temporary directory
tempname Unique name for temporary file
undocheckout Undo previous checkout from source control system
unix Execute a UNIX command and return the result
! Execute operating system command
Starting and Quitting MATLAB
finish MATLAB termination M-file
exit TerminateMATLAB
matlab Start MATLAB (UNIX systems only)
matlabrc MATLAB startup M-file
quit Terminate MATLAB
startup MATLAB startup M-file
Operators and Special Characters
+ Plus
- Minus
* Matrix multiplication
.* Array multiplication
^ Matrix power
.^ Array power
kron Kronecker tensor product
\ Backslash or left division
/ Slash or right division
./ and .\ Array division, right and left
: Colon
( ) Parentheses
[ ] Brackets
{} Curly braces
. Decimal point
... Continuation, Comma
; Semicolon
% Comment
! Exclamation point
‘ Transpose and quote
.’ Nonconjugated transpose
= Assignment
== Equality
< > Relational operators
& Logical and
| Logical or
~ Logical not
xor Logical exclusive or
Logical Functions
all Test to determine if all elements are nonzero
any Test for any nonzeros
exist Check if a variable or file exists
find Find indices and values of nonzero elements
is* Detect state
isa Detect an object of a given class
iskeyword Test if string is a MATLAB keyword
isvarname Test if string is a valid variable name
logical Convert numeric values to logical
mislocked True if M-file cannot be cleared
Elementary Math Functions
abs Absolute value and complex magnitude
acos, acosh Inverse cosine and inverse hyperbolic cosine
acot, acoth Inverse cotangent and inverse hyperbolic cotangent
acsc, acsch Inverse cosecant and inverse hyperbolic cosecant
angle Phase angle
asec, asech Inverse secant and inverse hyperbolic secant
asin, asinh Inverse sine and inverse hyperbolic sine
atan, atanh Inverse tangent and inverse hyperbolic tangent
atan2 Four-quadrant inverse tangent
ceil Round toward infinity
complex Construct complex data from real and imaginary
components
conj Complex conjugate
cos, cosh Cosine and hyperbolic cosine
cot, coth Cotangent and hyperbolic cotangent
csc, csch Cosecant and hyperbolic cosecant
exp Exponential
fix Round towards zero
floor Round towards minus infinity
gcd Greatest common divisor
imag Imaginary part of a complex number
lcm Least common multiple
log Natural logarithm
log2 Base 2 logarithm and dissect floating exponent and mantissa -point numbers into
log10 Common (base 10) logarithm
mod Modulus (signed remainder after division)
nchoosek Binomial coefficient or all combinations
real Real part of complex number
rem Remainder after division
round Round to nearest integer
sec, sech Secant and hyperbolic secant
sign Signum function
sin, sinh Sine and hyperbolic sine
sqrt Square root
tan, tanh Tangent and hyperbolic tangent
Language Constructs and Debugging
MATLAB as a Programming Language
builtin Execute builtin function from overloaded method
eval Interpret strings containing MATLAB expressions
evalc Evaluate MATLAB expression with capture
evalin Evaluate expression in workspace
feval Function evaluation
function Function M-files
global Define global variables
nargchk Check number of input arguments
persistent Define persistent variable
script Script M-files
Control Flow
break Terminate execution of for loop or while loop
case Case switch
catch Begin catch block
continue Pass control to the next iteration of for or while loop
else Conditionally executestatements
elseif Conditionally execute statements
end Terminate for, while, switch, try, and if statements or
indicate last index
error Display error messages
for Repeat statements a specific number of times
if Conditionally execute statements
otherwise Default part of switch statement
return Return to the invoking function
switch Switch among several cases based on expression
try Begin try block
warning Display warning message
while Repeat statements an indefinite number of times
Interactive Input
input Request user input
keyboard Invoke the keyboard in an M-file
menu Generate a menu of choices for user input
pause Halt execution temporarily
Object-Oriented Programming
class Create object or return class of object
double Convert to double precision
inferiorto Inferior class relationship
inline Construct an inline object
int8, int16, int32 Convert to signed integer
isa Detect an object of a given class
loadobj Extends the load function for user objects
saveobj Save filter for objects
single Convert to single precision
superiorto Superior class relationship
uint8, uint16, uint32 Convert to unsigned integer
Debugging
dbclear Clear breakpointsdbcont Resume execution
dbdown Change local workspace context
dbmex Enable MEX-file debugging
dbquit Quit debug mode
dbstack Display function call stack
dbstatus List all breakpoints
dbstep Execute one or more lines from a breakpoint
dbstop Set breakpoints in an M-file function
dbtype List M-file with line numbers
dbup Change local workspace context
Function Handles
function_ha
ndle MATLAB data type that is a handle to a function
functions Return information about a function handle
func2str Constructs a function name string from a function handle
str2func Constructs a function handle from a function name string
Character String Functions
General
abs Absolute value and complex magnitude
eval Interpret strings containing MATLAB expressions
real Real part of complex number
strings MATLAB string handling
String to Function Handle Conversion
func2str Constructs a function name string from a function handle
str2func Constructs a function handle from a function name string
String Manipulation
deblank Strip trailing blanks from the end of a string
findstr Find one string within another
lower Convert string to lower case
strcat String concatenation
strcmp Compare strings
strcmpi Compare strings, ignoring case
strjust Justify a character array
strmatch Find possible matches for a string
strncmp Compare the first n characters of strings
strncmpi Compare the first n characters of strings, ignoring case
strrep String search and replace
strtok First token in string
strvcat Vertical concatenation of strings
symvar Determine symbolic variables in an expression
texlabel Produce the TeX format from a character string
upper Convert string to upper case
String to Number Conversion
char Create character array (string)
int2str Integer to string conversion
mat2str Convert a matrix into a string
num2str Number to string conversion
sprintf Write formatted data to a string
sscanf Read string under format control
str2double Convert string to double-precision value
str2mat String to matrix conversion
str2num String to number conversion
Radix Conversion
bin2dec Binary to decimal number conversion
dec2bin Decimal to binary number conversion
dec2hex Decimal to hexadecimal number conversion
hex2dec Hexadecimal to decimal number conversion
hex2num Hexadecimal to double number conversion
Matrix Manipulation
Elementary Matrices and Arrays
blkdiag Construct a block diagonal matrix from input arguments
eye Identity matrix
linspace Generate linearly spaced vectors
logspace Generate logarithmically spaced vectors
numel Number of elements in a matrix or cell array
ones Create an array of all ones
rand Uniformly distributed random numbers and arrays
randn Normally distributed random numbers and arrays
zeros Create an array of all zeros
: (colon) Regularly spaced vector
Special Variables and Constants
ans The most recent answer
computer Identify the computer on which MATLAB is running
eps Floating-point relative accuracy
i Imaginary unit
Inf Infinity
inputname Input argument name
j Imaginary unit
NaN Not-a-Number
nargin,
nargout
Number of function arguments
nargoutchk Validate number of output arguments
pi Ratio of a circle’s circumference to its diameter,
realmax Largest positive floating-point number
realmin Smallest positive floating-point number
varargin,
varargout
Pass or return variable numbers of arguments
Time and Dates
calendar Calendar
clock Current time as a date vector
cputime Elapsed CPU time
date Current date string
datenum Serial date number
datestr Date string format
datevec Date components
eomday End of month
etime Elapsed time
now Current date and time
tic, toc Stopwatch timer
weekday Day of the week
Matrix Manipulation
cat Concatenate arrays
diag Diagonal matrices and diagonals of a matrix
fliplr Flip matrices left-right
flipud Flip matrices up -downrepmat Replicate and tile an array
reshape Reshape array
rot90 Rotate matrix 90 degrees
tril Lower triangular part of a matrix
triu Upper triangular part of a matrix
: (colon) Index into array, rearrange array
Vector Functions
cross Vector cross product
dot Vector dot product
intersect Set intersection of two vectors
ismember Detect members of a set
setdiff Return the set difference of two vector
setxor Set exclusive or of two vectors
union Set union of two vectors
unique Unique elements of a vector
Specialized Matrices
compan Companion matrix
gallery Test matrices
hadamard Hadamard matrix
hankel Hankel matrix
hilb Hilbert matrix
invhilb Inverse of the Hilbert matrix
magic Magic square
pascal Pascal matrix
toeplitz Toeplitz matrix
wilkinson Wilkinson’s eigenvalue test matrix
Bitwise Functions
bitand Bit-wise AND
bitcmp Complement bits
bitor Bit-wise OR
bitmax Maximum floating-point integer
bitset Set bit
bitshift Bit-wise shift
bitget Get bit
bitxor Bit-wise XOR
Structure Functions
fieldnames Field names of a structure
getfield Get field of structure array
rmfield Remove structure fields
setfield Set field of structure array
struct Create structure array
struct2cell Structure to cell array conversion
MATLAB Object Functions
class Create object or return class of object
isa Detect an object of a given class
methods Display method names
methodsview Displays information on all methods implemented by
a class
subsasgn Overloaded method for A(I)=B, A{I}=B, and A.field=B
subsindex Overloaded method for X(A)
subsref Overloaded method for A(I), A{I} and A.field
Cell Array Functions
cell Create cell array
cellfun Apply a function to each element in a cell array
cellstr Create cell array of strings from character array
cell2struct Cell array to structure array conversion
celldisp Display cell array contents
cellplot Graphically display the structure of cell arrays
num2cell Convert a numeric array into a cell array
Multidimensional Array Functions
cat Concatenate arrays
flipdim Flip array along a specified dimension
ind2sub Subscripts from linear index
ipermute Inverse permute the dimensions of a multidimensional
array
ndgrid Generate arrays for multidimensional functions and
interpolation
ndims Number of array dimensions
permute Rearrange the dimensions of a multidimensional array
reshape Reshape array
shiftdim Shift dimensions
squeeze Remove singleton dimensions
sub2ind Single index from subscripts
Sound Processing Functions
General Sound Functions
lin2mu Convert linear audio signal to mu-law
mu2lin Convert mu-law audio signal to linear
sound Convert vector into sound
soundsc Scale data and play as sound
SPARCstation-Specific Sound Functions
auread Read NeXT/SUN (.au) sound file
auwrite Write NeXT/SUN (.au) sound file
.WAV Sound Functions
wavplay Play recorded sound on a PC-based audio output device
wavread Read Microsoft WAVE (.wav) sound file
wavrecord Record sound using a PC-based audio input device
wavwrite Write Microsoft WAVE (.wav) sound file
File I/O Functions
File Opening and Closing
fclose Close one or more open files
fopen Open a file or obtain information about open files
Unformatted I/O
fread Read binary data from file
fwrite Write binary data to a file
Formatted I/O
fgetl Return the next line of a file as a string without line terminator(s)
fgets Return the next line of a file as a string with line terminator(s)
fprintf Write formatted data to file
fscanf Read formatted data from file
File Positioning
feof Test for end-of-fileferror Query MATLAB about errors in file input or output
frewind Rewind an open file
fseek Set file position indicator
ftell Get file position indicator
String Conversion
sprintf Write formatteddata to a string
sscanf Read string under format control
Specialized File I/O
dlmread Read an ASCII delimited file into a matrix
dlmwrite Write a matrix to an ASCII delimited file
hdf HDF interface
imfinfo Return information about a graphics file
imread Read image from graphics file
imwrite Write an image to a graphics file
strread Read formatted data from a string
textread Read formatted data from text file
wk1read Read a Lotus123 WK1 spreadsheet file into a matrix
wk1writ
e
Write a matrix to a Lotus123 WK1 spreadsheet file
Specialized Math Functions
airy Airy functions
besselh Bessel functions of the third kind (Hankel
functions)
besseli, besselk Modified Bessel functions
besselj, bessely Bessel functions
beta, betainc, betaln Beta functions
ellipj Jacobi elliptic functions
ellipke Complete elliptic integrals of the first and second kind
erf, erfc, erfcx,
erfinv Error functions
expint Exponential integral
factorial Factorial function
gamma, gammainc,
gammaln Gamma functions
legendre Associated Legendre functions
pow2 Base 2 power and scale floating-point numbers
rat, rats Rational fraction approximation
Coordinate System Conversion
cart2pol Transform Cartesian coordinates to polar or cylindrical
cart2sph Transform Cartesian coordinates to spherical
pol2cart Transform polar or cylindrical coordinates to Cartesian
sph2cart Transform spherical coordinates to Cartesian
Matrix Functions
Matrix Analysis
cond Condition number with respect to inversion
condeig Condition number with respect to eigenvalues
det Matrix determinant
norm Vector and matrix norms
null Null space of a matrix
orth Range space of a matrix
rank Rank of a matrix
rcond Matrix reciprocal condition number estimate
rref, rrefmovie Reduced row echelon form
subspace Angle between two subspaces
trace Sum of diagonal elements
Linear Equations
chol Cholesky factorization
inv Matrix inverse
lscov Least squares solution in the presence of known
covariance
lu LU matrix factorization
lsqnonneg Nonnegative least squares
minres Minimum Residual Method
pinv Moore-Penrose pseudoinverse of a matrix
qr Orthogonal-triangular decomposition
symmlq Symmetric LQ method
Eigenvalues and Singular Values
balance Improve accuracy of computed eigenvalues
cdf2rdf Convert complex diagonal form to real block diagonal form
eig Eigenvalues and eigenvectors
gsvd Generalized singular value decomposition
hess Hessenberg form of a matrix
poly Polynomial with specified roots
qz QZ factorization for generalized eigenvalues
rsf2csf Convert real Schur form to complex Schur form
schur Schur decomposition
svd Singular value decomposition
Matrix Functions
expm Matrix exponential
funm Evaluate general matrix function
logm Matrix logarithm
sqrtm Matrix square root
Low Level Functions
qrdelete Delete column from QR factorization
qrinsert Insert column in QR factorization
Data Analysis and Fourier Transform
Basic Operations
cumprod Cumulative product
cumsum Cumulative sum
cumtrapz Cumulative trapezoidal numerical integration
factor Prime factors
inpolygon Detect points inside a polygonal region
max Maximum elements of an array
mean Average or mean value of arrays
median Median value of arrays
min Minimum elements of an array
perms All possible permutations
polyarea Area of polygon
primes Generate list of prime numbers
prod Product of array elements
rectint Rectangle intersection Area
sort Sort elements in ascending order
sortrows Sort rows in ascending order
std Standard deviation
sum Sum of array elements
trapz Trapezoidal numerical integrationvar Variance
Finite Differences
del2 Discrete Laplacian
diff Differences and approximate derivatives
gradient Numerical gradient
Correlation
corrcoef Correlation coefficients
cov Covariance matrix
Filtering and Convolution
conv Convolution and polynomial multiplication
conv2 Two-dimensional convolution
deconv Deconvolution and polynomial division
filter Filter data with an infinite impulse response (IIR) or finite
impulse response (FIR) filter
filter2 Two-dimensional digital filtering
Fourier Transforms
abs Absolute value and complex magnitude
angle Phase angle
cplxpair Sort complex numbers into complex conjugate pairs
fft One-dimensional fast Fourier transform
fft2 Two-dimensional fast Fourier transform
fftshift Shift DC component of fast Fourier transform to center of
spectrum
ifft Inverse one-dimensional fast Fourier transform
ifft2 Inverse two-dimensional fast Fourier transform
ifftn Inverse multidimensional fast Fourier transform
ifftshift Inverse FFT shift
nextpow2 Next power of two
unwrap Correct phase angles
Polynomial and Interpolation Functions
Polynomials
conv Convolution and polynomial multiplication
deconv Deconvolution and polynomial division
poly Polynomial with specified roots
polyder Polynomial derivative
polyeig Polynomial eigenvalue problem
polyfit Polynomial curve fitting
polyint Analytic polynomial integration
polyval Polynomial evaluation
polyvalm Matrix polynomial evaluat ion
residue Convert between partial fraction expansion and polynomial
coefficients
roots Polynomial roots
Data Interpolation
convhull Convex hull
convhulln Multidimensional convex hull
delaunay Delaunay triangulation
delaunay3 Three-dimensionalDelaunay tessellation
delaunayn Multidimensional Delaunay tessellation
dsearch Search for nearest point
dsearchn Multidimensional closest point search
griddata Data gridding
griddata3 Data gridding and hypersurface fitting for three data -dimensional
griddatan Data gridding and hypersurface fitting (dimension >= 2)
interp1 One-dimensional data interpolation (table lookup)
interp2 Two-dimensional data interpolation (table lookup)
interp3 Three-dimensional data interpolation (table lookup)
interpft One-dimensional interpolation using the FFT method
interpn Multidimensional data interpolation (table lookup)
meshgrid Generate X and Y matrices for three-dimensional plots
ndgrid Generate arrays for multidimensional functions and
interpolation
pchip Piecewise Cubic Hermite Interpolating Polynomial (PCHIP)
ppval Piecewise polynomial evaluation
spline Cubic spline data interpolation
tsearch Search for enclosing Delaunay triangle
tsearchn Multidimensional closest simplex search
voronoi Voronoi diagram
voronoin Multidimensional Voronoi diagrams
Function Functions - Nonlinear Numerical
Methods
bvp4c Solve two-point boundry value problems (BVPs)
for ordinary differential equations (ODEs)
bvpget Extract parameters from BVP options structure
bvpinit Form the initial guess for bvp4c
bvpset Create/alter BVP options structure
bvpval Evaluate the solution computed by bvp4c
dblquad Numerical evaluation of double integrals
fminbnd Minimize a function of one variable
fminsearch Minimize a function of several variables
fzero Find zero of a function of one variable
ode45, ode23,
ode113, ode15s,
ode23s, ode23t,
ode23tb
Solve initial value problems for ODEs
odeget Extract parameters from ODE options structure
odeset Create/alter ODE options structure
optimget Get optimization options structure parameter values
optimset Create or edit optimization options parameter structure
pdepe Solve initial-boundary value problems
pdeval Evaluate the solution computed by pdepe
quad Numerical evaluation of integrals, adaptive
Simpson quadrature
quadl Numerical evaluation of integrals, adaptive Lobatto
quadrature
vectorize Vectorize expression
Sparse Matrix Functions
Elementary Sparse Matrices
spdiags Extract and create sparse band and diagonal matrices
speye Sparse identity matrix
sprand Sparse uniformly distributed random matrix
sprandn Sparse normally distributed random matrix
sprandsym Sparse symmetric random matrix
Full to Sparse Conversion
find Find indices and values of nonzero elements
full Convert sparse matrix to full matrix
sparse Create sparse matrixspconvert Import matrix from sparse matrix external format
Working with Nonzero Entries
nnz Number of nonzero matrix elements
nonzeros Nonzero matrix elements
nzmax Amount of storage allocated for nonzero matrix elements
spalloc Allocate space for sparse matrix
spfun Apply function to nonzero sparse matrix elements
spones Replace nonzero sparse matrix elements with ones
Visualizing Sparse Matrices
spy Visualize sparsity pattern
Reordering Algorithms
colamd Column approximate minimum degree permutation
colmmd Sparse column minimum degree permutation
colperm Sparse column permutation based on nonzero count
dmperm Dulmage-Mendelsohn decomposition
randperm Random permutation
symamd Symmetric approximate minimum degree permutation
symmmd Sparse symmetric minimum degree ordering
symrcm Sparse reverse Cuthill-McKee ordering
Norm, Condition Number, and Rank
condest 1-norm matrix condition number estimate
normest 2-norm estimate
Sparse Systems of Linear Equations
bicg BiConjugate Gradients method
bicgstab BiConjugate Gradients Stabilized method
cgs Conjugate Gradients Squared method
cholinc Sparse Incomplete Cholesky and Cholesky-Infinity
factorizations
cholupdate Rank 1 update to Cholesky factorization
gmres Generalized Minimum Residual method (with restarts)
lsqr LSQR implementation of Conjugate Gradients on the normal
equations
luinc Incomplete LU matrix factorizations
pcg Preconditioned Conjugate Gradients method
qmr Quasi-Minimal Residual method
qr Orthogonal-triangular decomposition
qrdelete Delete column from QR factorization
qrinsert Insert column in QR factorization
qrupdate Rank 1 update to QR factorization
Sparse Eigenvalues and Singular Values
eigs Find eigenvalues and eigenvectors
svds Find singular values
Miscellaneous
spparms Set parameters for sparse matrix routines
Plotting and Data Visualization
Basic Plots and Graphs
bar Vertical bar chart
barh Horizontal bar chart
hist Plot histograms
histc Histogram count
hold Hold current graph
loglog Plot using log-log scales
pie Pie plot
plot Plot vectors or matrices.
polar Polar coordinate plot
semilogx Semi-log scale plot
semilogy Semi-log scale plot
subplot Create axes in tiled positions
Three-Dimensional Plotting
bar3 Vertical 3-D bar chart
bar3h Horizontal 3-D bar chart
comet3 3-D comet plot
cylinder Generate cylinder
fill3 Draw filled 3-D polygons in 3-space
plot3 Plot lines and points in 3-D space
quiver3 3-D quiver (or velocity) plot
slice Volumetric slice plot
sphere Generate sphere
stem3 Plot discrete surface data
waterfall Waterfall plot
Plot Annotation and Grids
clabel Add contour labels to a contour plot
datetick Date formatted tick labels
grid Grid lines for 2-D and 3-D plots
gtext Place text on a 2-D graph using a mouse
legend Graph legend for lines and patches
plotyy Plot graphs with Y tick labels on the left and right
title Titles for 2-D and 3-D plots
xlabel X-axis labels for 2-D and 3-D plots
ylabel Y-axis labels for 2-D and 3-D plots
zlabel Z-axis labels for 3-D plots
Surface, Mesh, and Contour Plots
contour Contour (level curves) plot
contourc Contour computation
contourf Filled contour plot
hidden Mesh hidden line removal mode
meshc Combination mesh/contourplot
mesh 3-D mesh with reference plane
peaks A sample function of two variables
surf 3-D shaded surface graph
surface Create surface low-level objects
surfc Combination surf/contourplot
surfl 3-D shaded surface with lighting
trimesh Triangular mesh plot
trisurf Triangular surface plot
Volume Visualization
coneplot Plot velocity vectors as cones in 3-D vector field
contourslice Draw contours in volume slice plane
curl Compute the curl and angular velocity of a vector
field
divergence Compute the divergence of a vector fieldflow Generate scalar volume data
interpstreamspeed Interpolate streamline vertices from vector-field
magnitudes
isocaps Compute isosurface end-cap geometry
isocolors Compute the colors of isosurface vertices
isonormals Compute normals of isosurface vertices
isosurface Extract isosurface data from volume data
reducepatch Reduce the number of patch faces
reducevolume Reduce number of elements in volume data set
shrinkfaces Reduce the size of patch faces
slice Draw slice planes in volume
smooth3 Smooth 3-D data
stream2 Compute 2-D stream line data
stream3 Compute 3-D stream line data
streamline Draw stream lines from 2- or 3-D vector data
streamparticles Draws stream particles from vector volume data
streamribbon Draws stream ribbons from vector volume data
streamslice Draws well-spaced stream lines from vector
volume data
streamtube Draws stream tubes from vector volume data
surf2patch Convert srface data to patch data
subvolume Extract subset of volume data set
volumebounds Return coordinate and color limits for volume
(scalar and vector)
Domain Generation
griddata Data gridding and surface fitting
meshgrid Generation of X and Y arrays for 3-D plots
Specialized Plotting
area Area plot
box Axis box for 2-D and 3-D plots
comet Comet plot
compass Compass plot
errorbar Plot graph with error bars
ezcontour Easy to use contour plotter
ezcontourf Easy to use filled contour plotter
ezmesh Easy to use 3-D mesh plotter
ezmeshc Easy to use combination mesh/contour plotter
ezplot Easy to use function plotter
ezplot3 Easy to use 3-D parametric curve plotter
ezpolar Easy to use polar coordinate plotter
ezsurf Easy to use 3-D colored surface plotter
ezsurfc Easy to use combination surface/contour plotter
feather Feather plot
fill Draw filled 2-D polygons
fplot Plot a function
pareto Pareto char
pie3 3-D pie plot
plotmatrix Scatter plot matrix
pcolor Pseudocolor (checkerboard) plot
rose Plot rose or angle histogram
quiver Quiver (or velocity) plot
ribbon Ribbon plot
stairs Stairstep graph
scatter Scatter plot
scatter3 3-D scatter plot
stem Plot discrete sequence data
convhull Convex hull
delaunay Delaunay triangulation
dsearch Search Delaunay triangulation for nearest point
inpolygon True for points inside a polygonal region
polyarea Area of polygon
tsearch Search for enclosing Delaunay triangle
voronoi Voronoi diagram
View Control
camdolly Move camera position and target
camlookat View specific objects
camorbit Orbit about camera target
campan Rotate camera target about camera position
campos Set or get camera position
camproj Set or get projection type
camroll Rotate camera about viewing axis
camtarget Set or get camera target
camup Set or get camera up-vector
camva Set or get camera view angle
camzoom Zoom camera in or out
daspect Set or get data aspect ratio
pbaspect Set or get plot box aspect ratio
view 3-D graph viewpoint specification.
viewmtx Generate view transformation matrices
xlim Set or get the current x-axis limits
ylim Set or get the current y-axis limits
zlim Set or get the current z-axis limits
Lighting
camlight Cerate or position Light
light Light object creation function
lighting Lighting mode
lightangle Position light in sphereical coordinates
material Material reflectance mode
Transparency
alpha Set or query t current axes ransparency properties for objects in
alphamap Specify the figure alphamap
alim Set or query the axes alpha limits
Color Operations
brighten Brighten or darken color map
caxis Pseudocolor axis scaling
colorbar Display color bar (color scale)
colordef Set up color defaults
colormap Set the color look-up table (list of colormaps)
graymon Graphics figure defaults set for grayscale monitor
hsv2rgb Hue-saturation-value to red-green-blue conversion
rgb2hsv RGB to HSVconversion
rgbplot Plot color map
shading Color shading mode
spinmap Spin the colormap
surfnorm 3-D surface normals
whitebg Change axes background color for plots
Colormaps
autumn Shades of red and yellow color map
bone Gray-scale with a tinge of blue color mapcontrast Gray color map to enhance image contrast
cool Shades of cyan and magenta color map
copper Linear copper-tone color map
flag Alternating red, white, blue, and black color map
gray Linear gray-scale color map
hot Black-red-yellow-white color map
hsv Hue-saturation-value (HSV) color map
jet Variant of HSV
lines Line color colormap
prism Colormap of prism colors
spring Shades of magenta and yellow color map
summer Shades of green and yellow colormap
winter Shades of blue and green color map
Printing
orient Hardcopy paper orientation
pagesetupdlg Page position dialog box
print Print graph or save graph to file
printdlg Print dialog box
printopt Configure local printer defaults
saveas Save figure to graphic file
Handle Graphics, General
allchild Find all children of specified objects
copyobj Make a copy of a graphics object and its children
findall Find all graphics objects (including hidden handles)
findobj Find objects with specified property values
gcbo Return object whose callback is currently executing
gco Return handle of current object
get Get object properties
rotate Rotate objects about specified origin and direction
ishandle True for graphics objects
set Set object properties
Working with Application Data
getappdata Get value of application data
isappdata True if applicat ion data exists
rmappdata Remove application data
setappdata Specify application data
Handle Graphics, Object Creation
axes Create Axes object
figure Create Figure (graph) windows
image Create Image (2-D matrix)
light Create Light object (illuminates Patch and Surface)
line Create Line object (3-D polylines)
patch Create Patch object (polygons)
rectangle Create Rectangle object (2-D rectangle)
surface Create Surface (quadrilaterals)
text Create Text object (character strings)
uicontextmenu Create context menu (popup associated with object)
Handle Graphics, Figure Windows
capture Screen capture of the current figure
clc Clear figure window
clf Clear figure
close Close specified window
closereq Default close request function
gcf Get current figure handle
newplot Graphics M-file preamble for NextPlot property
refresh Refresh figure
saveas Save figure or model to desired output format
Handle Graphics, Axes
axis Plot axis scaling and appearance
cla Clear Axes
gca Get current Axes handle
Object Manipulation
reset Reset axis or figure
rotate3d Interactively rotate the view of a 3-D plot
selectmoveresize Interactively select, move, or resize objects
Interactive User Input
ginput Graphical input from a mouse or cursor
zoom Zoom in and out on a 2-D plot
Region of Interest
dragrect Drag XOR rectangles with mouse
drawnow Complete any pending drawing
rbbox Rubberband box
Graphical User Interfaces
Dialog Boxes
dialog Create a dialog box
errordlg Create error dialog box
helpdlg Display help dialog box
inputdlg Create input dialog box
listdlg Create list selection dialog box
msgbox Create message dialog box
pagedlg Display page layout dialog box
printdlg Display print dialog box
questdlg Create question dialog box
uigetfile Display dialog box to retrieve name of file for reading
uiputfile Display dialog box to retrieve name of file for writing
uisetcolor Interactively set a ColorSpec using a dialog box
uisetfont Interactively set a font using a dialog box
warndlg Create warning dialog box
User Interface Deployment
guidata Store or retrieve application data
guihandles Create a structure of handles
movegui Move GUI figure onscreen
openfig Open or raise GUI figure
User Interface Development
guide Open the GUI Layout Editor
inspect Display Property InspectorMATLAB Interface to Java
class Create object or return class of object
import Add a package or class to the current Java import list
isa Detect an object of a given class
isjava Test whether an object is a Java object
javaArray Constructs a Java array
javaMethod Invokes a Java method
javaObject Constructs a Java object
methods Display method names
methodsview Displays information on all methods implemented by a
class
External Programming Interface
C MEX-Functions
mexAtExit Register function to be called when
MATLAB is cleared or terminates
mexCallMATLAB Call MATLAB function or user-defined Mfile or MEX-file
mexErrMsgTxt Issue error message and return to MATLAB
mexEvalString Execute MATLAB command in caller's
workspace
mexFunction Entry point to C MEX-file
mexFunctionName Name of current MEX-function
mexGet Get value of Handle Graphics property
mexGetArray Get copy of variable from another workspace
mexGetArrayPtr Get read-only pointer to variable from
another workspace
mexIsGlobal True if mxArray has global scope
mexIsLocked True if MEX-file is locked
mexLock Lock MEX-file so it cannot be cleared from
memory
mexMakeArrayPersisten
t
Make mxArray persist after MEX-file
completes
mexMakeMemoryPersist
ent
Make memory allocated by MATLAB's
memory allocation routines persist after
MEX-file completes
mexPrintf ANSI C printf-style output routine
mexPutArray Copy mxArray from your MEX-file into
another workspace
mexSet Set value of Handle Graphics property
mexSetTrapFlag Control response of mexCallMATLAB to
errors
mexUnlock Unlock MEX-file so it can be cleared from
memory
mexWarnMsgTxt Issue warning message
C MX Functions
mxAddField Add field to structure array
mxArrayToString Convert arrays to strings
mxAssert Check assertion value
mxAssertS Check assertion value; doesn't print
assertion's text
mxCalcSingleSubscript Return offset from first element to desired
element
mxCalloc Allocate dynamic memory
mxChar String mxArrays data type
mxClassID Enumerated data type that identifies
mxArray's class
mxClearLogical Clear logical flag
mxComplexity Specifies if mxArray has imaginary
components
mxCreateCellArray Create unpopulated N-dimensional cell
mxArray
mxCreateCellMatrix Create unpopulated two-dimensional cell
mxArray
mxCreateCharArray Create unpopulated N-dimensional string
mxArray
mxCreateCharMatrixFr
omStrings
Create populated t wo-dimensional string
mxArray
mxCreateDoubleMatrix Create unpopulated two-dimensional, doubleprecision, floating-point mxArray
mxCreateNumericArray Create unpopulated N-dimensional numeric
mxArray
mxCreateNumericMatrix Create numeric matrix and initialize data
elements to 0
mxCreateScalarDouble Create scalar, double-precision array
initialized to specified value
mxCreateSparse Create two-dimensional unpopulated sparse
mxArray
mxCreateString Create 1-by-n string mxArray initialized to
specified strin g
mxCreateStructArray Create unpopulated N-dimensional structure
mxArray
mxCreateStructMatrix Create unpopulated two-dimensional
structure mxArray
mxDestroyArray Free dynamic memory allocated by an
mxCreate routine
mxDuplicateArray Make deep copy of array
mxFree Free dynamic memory allocated by mxCalloc
mxGetCell Get cell's contents
mxGetClassID Get mxArray's class
mxGetClassName Get mxArray's class
mxGetData Get pointer to data
mxGetDimensions Get pointer to dimensions array
mxGetElementSize Get number of bytes required to store each
data element
mxGetEps Get value of eps
mxGetField Get field value, given field name and index in
structure array
mxGetFieldByNumber Get field value, given field number and index
in structure array
mxGetFieldNameByNum
ber
Get field name, given field number in
structure array
mxGetFieldNumber Get field number, given field name in
structure array
mxGetImagData Get pointer to imaginary data of mxArray
mxGetInf Get value of infinity
mxGetIr Get ir array of sparse matrix
mxGetJc Get jc array of sparse matrix
mxGetM Get number of rows
mxGetN Get number of columns or number of
elements
mxGetName Get name of specified mxArray
mxGetNaN Get the value of NaN
mxGetNumberOfDimens
ions
Get number of dimensions
mxGetNumbe rOfElemen
ts
Get number of elements in array
mxGetNumberOfFields Get number of fields in structure mxArray
mxGetNzmax Get number of elements in ir, pr, and pi
arrays
mxGetPi Get mxArray's imaginary data elements
mxGetPr Get mxArray's real data elements
mxGetScalar Get real component of mxArray's first data
element
mxGetString Copy string mxArray's data into C-style
string
mxIsCell True if cell mxArray
mxIsChar True if string mxArray
mxIsClass True if mxArray is member of specified class
mxIsComplex True if data is complex
mxIsDouble True if mxArray represents its data as doubleprecision, floating-point numbersmxIsEmpty True if mxArray is empty
mxIsFinite True if value is finite
mxIsFromGlobalWS True if mxArray was copied from
MATLAB's global workspace
mxIsInf True if value is infinite
mxIsInt8 True if mxArray represents its data as signed
8-bit integers
mxIsInt16 True if mxArray represents its data as signed
16-bit integers
mxIsInt32 True if mxArray represents its data as signed
32-bit integers
mxIsLogical True if mxArray is Boolean
mxIsNaN True if value is NaN
mxIsNumeric True if mxArray is numeric
mxIsSingle True if mxArray represents its data as singleprecision, floating-point numbers
mxIsSparse True if sparse mxArray
mxIsStruct True if structure mxArray
mxIsUint8 True if mxArray represents its data as
unsigned 8-bit integers
mxIsUint16 True if mxArray represents its data as
unsigned 16-bit integers
mxIsUint32 True if mxArray represents its data as
unsigned 32-bit integers
mxMalloc Allocate dynamic memory using MATLAB's
memory manager
mxRealloc Reallocate memory
mxRemoveField Remove field from structure array
mxSetAllocFcns Register memory allocation/deallocation
functions in stand-alone engine or MAT
application
mxSetCell Set value of one cell
mxSetClassName Convert MATLAB structure array to
MATLAB object array
mxSetData Set pointer to data
mxSetDimensions Modify number/size of dimensions
mxSetField Set field value of structure array, given field
name/index
mxSetFieldByNumber Set field value in structure array, given field
number/index
mxSetImagData Set imaginary data pointer for mxArray
mxSetIr Set ir array of sparse mxArray
mxSetJc Set jc array of sparse mxArray
mxSetLogical Set logical flag
mxSetM Set number of rows
mxSetN Set number of columns
mxSetName Set name of mxArray
mxSetNzmax Set storage space for nonzero elements
mxSetPi Set new imaginary data for mxArray
mxSetPr Set new real data for mxArray
C Engine Routines
engClose Quit engine session
engEvalString Evaluate expression in string
engGetArray Copy variable from engine workspace
engOpen Start engine session
engOpenSingleUse Start engine session for single, nonshared use
engOutputBuffer Specify buffer for MATLAB output
engPutArray Put variables into engine workspace
C MAT-File Routines
matClose Close MAT-file
matDeleteArray Delete named mxArray from MAT -file
matGetArray Read mxArray from MAT-file
matGetArrayHeader Load header array information only
matGetDir Get directory of mxArrays in MAT-file
matGetFp Get file pointer to MAT-file
matGetNextArray Read next mxArray from MAT -file
matGetNextArrayHeader Load array header information only
matOpen Open MAT-file
matPutArray Write mxArrays into MAT-files
matPutArrayAsGlobal Put mxArrays into MAT-files
Serial Port I/O
Creating a Serial Port Object
serial Create a serial port object
Writing and Reading Data
fgetl Read one line of text from the device and discard the terminator
fgets Read one line of text from the device and include the terminator
fprintf Write text to the device
fread Read binary data from the device
fscanf Read data from the device, and format as text
fwrite Write binary data to the device
readasync Read data asynchronously from the device
stopasync Stop asynchronous read and write operations
Configuring and Returning Properties
get Return serial port object properties
set Configure or display serial port object properties
State Change
fclose Disconnect a serial port object from the device
fopen Connect a serial port object to the device
record Record data and event information to a file
General Purpose
clear Remove a serial port object from the MATLAB workspace
delete Remove a serial port object from memory
disp Display serial port object summary information
instraction Display event information when an event occurs
instrfind Return serial port objects from memory to the MATLAB
workspace
isvalid Determine if serial port objects are valid
length Length of serial port object array
load Load serial port objects and variables into the MATLAB
workspace
save Save serial port objects and variables to a MAT-file
serialbreak Send a break to the device connected to the serial port
size Size of serial port object array
Handle Graphic Properties
Root
ButtonDownFcn; CallbackObject; Children; Clipping; CreateFcn;
CurrentFigure; DeleteFcn; Diary; DiaryFile; Echo; ErrorMessage;
FixedWidthFontName; Format; FormatSpacing; HandleVisibility;
HitTest; Interruptible; Language; Parent; PointerLocation;
PointerWindow; Profile; ProfileCount; ProfileFile; ProfileInterval;
ScreenDepth; ScreenSize; Selected; SelectionHighlight;
ShowHiddenHandles; Tag; Type; UIContextMenu; Units; UserData;
VisibleFigure
AlphaMap; BackingStore; BusyAction; ButtonDownFcn; Children;
Clipping; CloseRequestFcn; Color; Colormap; CreateFcn;
CurrentAxes; CurrentCharacter; CurrentObject; CurrentPoint;
DeleteFcn; Dithermap; DithermapMode; DoubleBuffer; FixedColors;
HandleVisibility; HitTest; IntegerHandle; Interruptible;
InvertHardcopy; KeyPressFcn; MenuBar; MinColormap; Name;
NextPlot; NumberTitle; PaperOrientation; PaperPosition;
PaperPositionMode; PaperSize; PaperType; PaperUnits; Parent;
Pointer; PointerShapeCData; PointerShapeHotSpot; Position;
Renderer; RendererMode; Resize; ResizeFcn; Selected;
SelectionHighlight; SelectionType; ShareColors; Tag; Type;
UIContextMenu; Units; UserData; Visible; WindowButtonDownFcn;
WindowButtonMotionFcn; WindowButtonUpFcn; WindowStyle
Axes
ALim; ALimMode; AmbientLightColor; Box; BusyAction;
ButtonDownFcn; CLim; CLimMode; CameraPosition;
CameraPositionMode; CameraTarget; CameraTargetMode;
CameraUpVector; CameraUpVectorMo de; CameraViewAngle;
CameraViewAngleMode; Children; Clipping; Color; ColorOrder;
CreateFcn; CurrentPoint; DataAspectRatio; DataAspectRatioMode;
DeleteFcn; DrawMode; FontAngle; FontName; FontSize; FontUnits;
FontWeight; GridLineStyle; HandleVisibility; HitTest; Interruptible;
Layer; LineStyleOrder; LineWidth; NextPlot; Parent;
PlotBoxAspectRatio; PlotBoxAspectRatioMode; Position; Projection;
Selected; SelectionHighlight; Tag; TickDir; TickDirMode;
TickLength; Title; Type; Units; UIContextMenu; UserData; View;
Visible; XAxisLocation; XColor; Xdir; XGrid; XLabel; XLim;
XLimMode; XScale; XTick; XTickLabel; XTickLabelMode;
XTickMode; YAxisLocation; YColor; YDir; YGrid; YLabel; YLim;
YLimMode; YScale; YTick; YTickLabel; YTickLabelMode;
YTickMode; ZColor; ZDir; ZGrid; ZLabel; ZLim; ZLimMode;
ZScale; ZTick; ZTickLabel; ZTickLabelMode; ZtickMode
Line
BusyAction; ButtonDownFcn; Children; Clipping; Color; CreateFcn;
DeleteFcn; EraseMode; HandleVisibility; HitTest; Interruptible;
LineStyle; LineWidth; Marker; MarkerEdgeColor;
MarkerFaceColor; MarkerSize; Parent; Selected; SelectionHighlight;
Tag; Type; UIContextMenu; UserData; Visible; XData; YData;
ZData
Text
BusyAction; ButtonDownFcn; Children; Clipping; Color; CreateFcn;
DeleteFcn; Editing; EraseMode; Extent; FontAngle; FontName;
FontSize; FontUnits; FontWeight; HandleVisibility; HitTest;
HorizontalAlignment; Interpreter; Interruptible; Parent; Position;
Rotation; Selected; SelectionHighlight; String; Tag; Type;
UIContextMenu; Units; UserData; VerticalAlignment; Visible
Uicontrol
BackgroundColor; BusyAction; ButtonDownFcn; Callback; CData;
Children; Clipping; CreateFcn; DeleteFcn; Enable; Extent;
FontAngle; FontName; FontSize; FontUnits; FontWeight;
ForegroundColor; HandleVisibility; HitTest; HorizontalAlignment;
Interruptible; ListboxTop; Max; Min; Parent; Position; Selected;
SelectionHighlight; SliderStep; String; Style; Tag; TooltipString;
Type; UIContextMenu; Units; UserData; Value; Visible
Uimenu
Accelerator; BusyAction; ButtonDownFcn; Callback; Checked;
Children; Clipping; CreateFcn; DeleteFcn; Enable;
ForegroundColor; HandleVisibility; HitTest; Interruptible; Label;
Parent; Position; Selected; SelectionHighlight; Separator; Tag; Type;
UIContextMenu; UserData; Visible
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جميع أوامر الماتلاب في ملف واحد - Matlab Commands - صفحة 2 761752

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جميع أوامر الماتلاب في ملف واحد - Matlab Commands
MATLAB Quick Reference
Author: Jialong He
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General Purpose Commands
Managing Commands and Functions
addpath Add directories to MATLAB’s search path
doc Display HTML documentation in Help browser
docopt Display location of help file directory for UNIX platforms
genpath Generate a path string
help Display M Command Window -file help for MATLAB functions in the
helpbrowser Display Help browser for access to all MathWorks online
help
helpdesk Display the Help browser
helpwin Display M all functions -file help and provide access to M-file help for
lasterr Last error message
lastwarn Last warning message
license license
lookfor Search for specified keyword in all help entries
partialpath Partial pathname
path Control MATLAB’s directory search path
pathtool Open the GUI for viewing and modifying MATLAB’s
path
profile Start the M-file profiler, a utility for debugging and
optimizing code
profreport Generate a profile report
rehash Refresh function and file system caches
rmpath Remove directories from MATLAB’s search path
support Open MathWorks Technical Support Web Page
type List file
ver
Display version information for MATLAB, Simulink, and
toolboxes
version Get MATLAB version number
web Point Help browser or Web browser at file or Web site
what List MATLAB-specific files in current directory
whatsnew Display README files for MATLAB and toolboxes
which Locate functions and files
Managing Variables and the Workspace
clear Remove items from the workspace
disp Display text or array
length Length of vector
load Retrieve variables from disk
memory Help for memory limitations
mlock Prevent M-file clearing
munlock Allow M-file clearing
openvar
Open workspace variable in Array Editor, for graphical
editing
pack Consolidate workspace memory
save Save workspace variables on disk
saveas Save figure or model using specified format
size Array dimensions
who, whos List the variables in the workspace
workspace Display the Workspace Browser, a GUI for managing the
workspace
Controlling the Command Window
clc Clear Command Window
echo Echo M-files during execution
format Control the display format for output
home Move cursor to upper left corner of Command Window
more Control paged output for the Command Window
Working with Operating Environment
beep Produce a beep sound
cd Change working directory
checkin Check file into source control system
checkout Check file out of source control system
cmopts
Get name of source control system, and PVCS project
filename
copyfile Copy file
customverctrl Allow custom source control system
delete Delete files or graphics objects
diary Save session to a disk file
dir Display a directory listing
dos Execute a DOS command and return the result
edit Edit an M-file
fileparts Get filename parts
filebrowser Display Current Directory browser, for viewing files
fullfile Build full filename from parts
info Display contact information or toolbox Readme files
inmem Functions in memory
ls List directory on UNIX
matlabroot Get root directory of MATLAB installation
mkdir Make new directory
open Open files based on extension
pwd Display current directory
tempdir Return the name of the system’s temporary directory
tempname Unique name for temporary file
undocheckout Undo previous checkout from source control system
unix Execute a UNIX command and return the result
! Execute operating system command
Starting and Quitting MATLAB
finish MATLAB termination M-file
exit TerminateMATLAB
matlab Start MATLAB (UNIX systems only)
matlabrc MATLAB startup M-file
quit Terminate MATLAB
startup MATLAB startup M-file
Operators and Special Characters
+ Plus
- Minus
* Matrix multiplication
.* Array multiplication
^ Matrix power
.^ Array power
kron Kronecker tensor product
\ Backslash or left division
/ Slash or right division
./ and .\ Array division, right and left
: Colon
( ) Parentheses
[ ] Brackets
{} Curly braces
. Decimal point
... Continuation, Comma
; Semicolon
% Comment
! Exclamation point
‘ Transpose and quote
.’ Nonconjugated transpose
= Assignment
== Equality
< > Relational operators
& Logical and
| Logical or
~ Logical not
xor Logical exclusive or
Logical Functions
all Test to determine if all elements are nonzero
any Test for any nonzeros
exist Check if a variable or file exists
find Find indices and values of nonzero elements
is* Detect state
isa Detect an object of a given class
iskeyword Test if string is a MATLAB keyword
isvarname Test if string is a valid variable name
logical Convert numeric values to logical
mislocked True if M-file cannot be cleared
Elementary Math Functions
abs Absolute value and complex magnitude
acos, acosh Inverse cosine and inverse hyperbolic cosine
acot, acoth Inverse cotangent and inverse hyperbolic cotangent
acsc, acsch Inverse cosecant and inverse hyperbolic cosecant
angle Phase angle
asec, asech Inverse secant and inverse hyperbolic secant
asin, asinh Inverse sine and inverse hyperbolic sine
atan, atanh Inverse tangent and inverse hyperbolic tangent
atan2 Four-quadrant inverse tangent
ceil Round toward infinity
complex Construct complex data from real and imaginary
components
conj Complex conjugate
cos, cosh Cosine and hyperbolic cosine
cot, coth Cotangent and hyperbolic cotangent
csc, csch Cosecant and hyperbolic cosecant
exp Exponential
fix Round towards zero
floor Round towards minus infinity
gcd Greatest common divisor
imag Imaginary part of a complex number
lcm Least common multiple
log Natural logarithm
log2 Base 2 logarithm and dissect floating exponent and mantissa -point numbers into
log10 Common (base 10) logarithm
mod Modulus (signed remainder after division)
nchoosek Binomial coefficient or all combinations
real Real part of complex number
rem Remainder after division
round Round to nearest integer
sec, sech Secant and hyperbolic secant
sign Signum function
sin, sinh Sine and hyperbolic sine
sqrt Square root
tan, tanh Tangent and hyperbolic tangent
Language Constructs and Debugging
MATLAB as a Programming Language
builtin Execute builtin function from overloaded method
eval Interpret strings containing MATLAB expressions
evalc Evaluate MATLAB expression with capture
evalin Evaluate expression in workspace
feval Function evaluation
function Function M-files
global Define global variables
nargchk Check number of input arguments
persistent Define persistent variable
script Script M-files
Control Flow
break Terminate execution of for loop or while loop
case Case switch
catch Begin catch block
continue Pass control to the next iteration of for or while loop
else Conditionally executestatements
elseif Conditionally execute statements
end Terminate for, while, switch, try, and if statements or
indicate last index
error Display error messages
for Repeat statements a specific number of times
if Conditionally execute statements
otherwise Default part of switch statement
return Return to the invoking function
switch Switch among several cases based on expression
try Begin try block
warning Display warning message
while Repeat statements an indefinite number of times
Interactive Input
input Request user input
keyboard Invoke the keyboard in an M-file
menu Generate a menu of choices for user input
pause Halt execution temporarily
Object-Oriented Programming
class Create object or return class of object
double Convert to double precision
inferiorto Inferior class relationship
inline Construct an inline object
int8, int16, int32 Convert to signed integer
isa Detect an object of a given class
loadobj Extends the load function for user objects
saveobj Save filter for objects
single Convert to single precision
superiorto Superior class relationship
uint8, uint16, uint32 Convert to unsigned integer
Debugging
dbclear Clear breakpointsdbcont Resume execution
dbdown Change local workspace context
dbmex Enable MEX-file debugging
dbquit Quit debug mode
dbstack Display function call stack
dbstatus List all breakpoints
dbstep Execute one or more lines from a breakpoint
dbstop Set breakpoints in an M-file function
dbtype List M-file with line numbers
dbup Change local workspace context
Function Handles
function_ha
ndle MATLAB data type that is a handle to a function
functions Return information about a function handle
func2str Constructs a function name string from a function handle
str2func Constructs a function handle from a function name string
Character String Functions
General
abs Absolute value and complex magnitude
eval Interpret strings containing MATLAB expressions
real Real part of complex number
strings MATLAB string handling
String to Function Handle Conversion
func2str Constructs a function name string from a function handle
str2func Constructs a function handle from a function name string
String Manipulation
deblank Strip trailing blanks from the end of a string
findstr Find one string within another
lower Convert string to lower case
strcat String concatenation
strcmp Compare strings
strcmpi Compare strings, ignoring case
strjust Justify a character array
strmatch Find possible matches for a string
strncmp Compare the first n characters of strings
strncmpi Compare the first n characters of strings, ignoring case
strrep String search and replace
strtok First token in string
strvcat Vertical concatenation of strings
symvar Determine symbolic variables in an expression
texlabel Produce the TeX format from a character string
upper Convert string to upper case
String to Number Conversion
char Create character array (string)
int2str Integer to string conversion
mat2str Convert a matrix into a string
num2str Number to string conversion
sprintf Write formatted data to a string
sscanf Read string under format control
str2double Convert string to double-precision value
str2mat String to matrix conversion
str2num String to number conversion
Radix Conversion
bin2dec Binary to decimal number conversion
dec2bin Decimal to binary number conversion
dec2hex Decimal to hexadecimal number conversion
hex2dec Hexadecimal to decimal number conversion
hex2num Hexadecimal to double number conversion
Matrix Manipulation
Elementary Matrices and Arrays
blkdiag Construct a block diagonal matrix from input arguments
eye Identity matrix
linspace Generate linearly spaced vectors
logspace Generate logarithmically spaced vectors
numel Number of elements in a matrix or cell array
ones Create an array of all ones
rand Uniformly distributed random numbers and arrays
randn Normally distributed random numbers and arrays
zeros Create an array of all zeros
: (colon) Regularly spaced vector
Special Variables and Constants
ans The most recent answer
computer Identify the computer on which MATLAB is running
eps Floating-point relative accuracy
i Imaginary unit
Inf Infinity
inputname Input argument name
j Imaginary unit
NaN Not-a-Number
nargin,
nargout
Number of function arguments
nargoutchk Validate number of output arguments
pi Ratio of a circle’s circumference to its diameter,
realmax Largest positive floating-point number
realmin Smallest positive floating-point number
varargin,
varargout
Pass or return variable numbers of arguments
Time and Dates
calendar Calendar
clock Current time as a date vector
cputime Elapsed CPU time
date Current date string
datenum Serial date number
datestr Date string format
datevec Date components
eomday End of month
etime Elapsed time
now Current date and time
tic, toc Stopwatch timer
weekday Day of the week
Matrix Manipulation
cat Concatenate arrays
diag Diagonal matrices and diagonals of a matrix
fliplr Flip matrices left-right
flipud Flip matrices up -downrepmat Replicate and tile an array
reshape Reshape array
rot90 Rotate matrix 90 degrees
tril Lower triangular part of a matrix
triu Upper triangular part of a matrix
: (colon) Index into array, rearrange array
Vector Functions
cross Vector cross product
dot Vector dot product
intersect Set intersection of two vectors
ismember Detect members of a set
setdiff Return the set difference of two vector
setxor Set exclusive or of two vectors
union Set union of two vectors
unique Unique elements of a vector
Specialized Matrices
compan Companion matrix
gallery Test matrices
hadamard Hadamard matrix
hankel Hankel matrix
hilb Hilbert matrix
invhilb Inverse of the Hilbert matrix
magic Magic square
pascal Pascal matrix
toeplitz Toeplitz matrix
wilkinson Wilkinson’s eigenvalue test matrix
Bitwise Functions
bitand Bit-wise AND
bitcmp Complement bits
bitor Bit-wise OR
bitmax Maximum floating-point integer
bitset Set bit
bitshift Bit-wise shift
bitget Get bit
bitxor Bit-wise XOR
Structure Functions
fieldnames Field names of a structure
getfield Get field of structure array
rmfield Remove structure fields
setfield Set field of structure array
struct Create structure array
struct2cell Structure to cell array conversion
MATLAB Object Functions
class Create object or return class of object
isa Detect an object of a given class
methods Display method names
methodsview Displays information on all methods implemented by
a class
subsasgn Overloaded method for A(I)=B, A{I}=B, and A.field=B
subsindex Overloaded method for X(A)
subsref Overloaded method for A(I), A{I} and A.field
Cell Array Functions
cell Create cell array
cellfun Apply a function to each element in a cell array
cellstr Create cell array of strings from character array
cell2struct Cell array to structure array conversion
celldisp Display cell array contents
cellplot Graphically display the structure of cell arrays
num2cell Convert a numeric array into a cell array
Multidimensional Array Functions
cat Concatenate arrays
flipdim Flip array along a specified dimension
ind2sub Subscripts from linear index
ipermute Inverse permute the dimensions of a multidimensional
array
ndgrid Generate arrays for multidimensional functions and
interpolation
ndims Number of array dimensions
permute Rearrange the dimensions of a multidimensional array
reshape Reshape array
shiftdim Shift dimensions
squeeze Remove singleton dimensions
sub2ind Single index from subscripts
Sound Processing Functions
General Sound Functions
lin2mu Convert linear audio signal to mu-law
mu2lin Convert mu-law audio signal to linear
sound Convert vector into sound
soundsc Scale data and play as sound
SPARCstation-Specific Sound Functions
auread Read NeXT/SUN (.au) sound file
auwrite Write NeXT/SUN (.au) sound file
.WAV Sound Functions
wavplay Play recorded sound on a PC-based audio output device
wavread Read Microsoft WAVE (.wav) sound file
wavrecord Record sound using a PC-based audio input device
wavwrite Write Microsoft WAVE (.wav) sound file
File I/O Functions
File Opening and Closing
fclose Close one or more open files
fopen Open a file or obtain information about open files
Unformatted I/O
fread Read binary data from file
fwrite Write binary data to a file
Formatted I/O
fgetl Return the next line of a file as a string without line terminator(s)
fgets Return the next line of a file as a string with line terminator(s)
fprintf Write formatted data to file
fscanf Read formatted data from file
File Positioning
feof Test for end-of-fileferror Query MATLAB about errors in file input or output
frewind Rewind an open file
fseek Set file position indicator
ftell Get file position indicator
String Conversion
sprintf Write formatteddata to a string
sscanf Read string under format control
Specialized File I/O
dlmread Read an ASCII delimited file into a matrix
dlmwrite Write a matrix to an ASCII delimited file
hdf HDF interface
imfinfo Return information about a graphics file
imread Read image from graphics file
imwrite Write an image to a graphics file
strread Read formatted data from a string
textread Read formatted data from text file
wk1read Read a Lotus123 WK1 spreadsheet file into a matrix
wk1writ
e
Write a matrix to a Lotus123 WK1 spreadsheet file
Specialized Math Functions
airy Airy functions
besselh Bessel functions of the third kind (Hankel
functions)
besseli, besselk Modified Bessel functions
besselj, bessely Bessel functions
beta, betainc, betaln Beta functions
ellipj Jacobi elliptic functions
ellipke Complete elliptic integrals of the first and second kind
erf, erfc, erfcx,
erfinv Error functions
expint Exponential integral
factorial Factorial function
gamma, gammainc,
gammaln Gamma functions
legendre Associated Legendre functions
pow2 Base 2 power and scale floating-point numbers
rat, rats Rational fraction approximation
Coordinate System Conversion
cart2pol Transform Cartesian coordinates to polar or cylindrical
cart2sph Transform Cartesian coordinates to spherical
pol2cart Transform polar or cylindrical coordinates to Cartesian
sph2cart Transform spherical coordinates to Cartesian
Matrix Functions
Matrix Analysis
cond Condition number with respect to inversion
condeig Condition number with respect to eigenvalues
det Matrix determinant
norm Vector and matrix norms
null Null space of a matrix
orth Range space of a matrix
rank Rank of a matrix
rcond Matrix reciprocal condition number estimate
rref, rrefmovie Reduced row echelon form
subspace Angle between two subspaces
trace Sum of diagonal elements
Linear Equations
chol Cholesky factorization
inv Matrix inverse
lscov Least squares solution in the presence of known
covariance
lu LU matrix factorization
lsqnonneg Nonnegative least squares
minres Minimum Residual Method
pinv Moore-Penrose pseudoinverse of a matrix
qr Orthogonal-triangular decomposition
symmlq Symmetric LQ method
Eigenvalues and Singular Values
balance Improve accuracy of computed eigenvalues
cdf2rdf Convert complex diagonal form to real block diagonal form
eig Eigenvalues and eigenvectors
gsvd Generalized singular value decomposition
hess Hessenberg form of a matrix
poly Polynomial with specified roots
qz QZ factorization for generalized eigenvalues
rsf2csf Convert real Schur form to complex Schur form
schur Schur decomposition
svd Singular value decomposition
Matrix Functions
expm Matrix exponential
funm Evaluate general matrix function
logm Matrix logarithm
sqrtm Matrix square root
Low Level Functions
qrdelete Delete column from QR factorization
qrinsert Insert column in QR factorization
Data Analysis and Fourier Transform
Basic Operations
cumprod Cumulative product
cumsum Cumulative sum
cumtrapz Cumulative trapezoidal numerical integration
factor Prime factors
inpolygon Detect points inside a polygonal region
max Maximum elements of an array
mean Average or mean value of arrays
median Median value of arrays
min Minimum elements of an array
perms All possible permutations
polyarea Area of polygon
primes Generate list of prime numbers
prod Product of array elements
rectint Rectangle intersection Area
sort Sort elements in ascending order
sortrows Sort rows in ascending order
std Standard deviation
sum Sum of array elements
trapz Trapezoidal numerical integrationvar Variance
Finite Differences
del2 Discrete Laplacian
diff Differences and approximate derivatives
gradient Numerical gradient
Correlation
corrcoef Correlation coefficients
cov Covariance matrix
Filtering and Convolution
conv Convolution and polynomial multiplication
conv2 Two-dimensional convolution
deconv Deconvolution and polynomial division
filter Filter data with an infinite impulse response (IIR) or finite
impulse response (FIR) filter
filter2 Two-dimensional digital filtering
Fourier Transforms
abs Absolute value and complex magnitude
angle Phase angle
cplxpair Sort complex numbers into complex conjugate pairs
fft One-dimensional fast Fourier transform
fft2 Two-dimensional fast Fourier transform
fftshift Shift DC component of fast Fourier transform to center of
spectrum
ifft Inverse one-dimensional fast Fourier transform
ifft2 Inverse two-dimensional fast Fourier transform
ifftn Inverse multidimensional fast Fourier transform
ifftshift Inverse FFT shift
nextpow2 Next power of two
unwrap Correct phase angles
Polynomial and Interpolation Functions
Polynomials
conv Convolution and polynomial multiplication
deconv Deconvolution and polynomial division
poly Polynomial with specified roots
polyder Polynomial derivative
polyeig Polynomial eigenvalue problem
polyfit Polynomial curve fitting
polyint Analytic polynomial integration
polyval Polynomial evaluation
polyvalm Matrix polynomial evaluat ion
residue Convert between partial fraction expansion and polynomial
coefficients
roots Polynomial roots
Data Interpolation
convhull Convex hull
convhulln Multidimensional convex hull
delaunay Delaunay triangulation
delaunay3 Three-dimensionalDelaunay tessellation
delaunayn Multidimensional Delaunay tessellation
dsearch Search for nearest point
dsearchn Multidimensional closest point search
griddata Data gridding
griddata3 Data gridding and hypersurface fitting for three data -dimensional
griddatan Data gridding and hypersurface fitting (dimension >= 2)
interp1 One-dimensional data interpolation (table lookup)
interp2 Two-dimensional data interpolation (table lookup)
interp3 Three-dimensional data interpolation (table lookup)
interpft One-dimensional interpolation using the FFT method
interpn Multidimensional data interpolation (table lookup)
meshgrid Generate X and Y matrices for three-dimensional plots
ndgrid Generate arrays for multidimensional functions and
interpolation
pchip Piecewise Cubic Hermite Interpolating Polynomial (PCHIP)
ppval Piecewise polynomial evaluation
spline Cubic spline data interpolation
tsearch Search for enclosing Delaunay triangle
tsearchn Multidimensional closest simplex search
voronoi Voronoi diagram
voronoin Multidimensional Voronoi diagrams
Function Functions - Nonlinear Numerical
Methods
bvp4c Solve two-point boundry value problems (BVPs)
for ordinary differential equations (ODEs)
bvpget Extract parameters from BVP options structure
bvpinit Form the initial guess for bvp4c
bvpset Create/alter BVP options structure
bvpval Evaluate the solution computed by bvp4c
dblquad Numerical evaluation of double integrals
fminbnd Minimize a function of one variable
fminsearch Minimize a function of several variables
fzero Find zero of a function of one variable
ode45, ode23,
ode113, ode15s,
ode23s, ode23t,
ode23tb
Solve initial value problems for ODEs
odeget Extract parameters from ODE options structure
odeset Create/alter ODE options structure
optimget Get optimization options structure parameter values
optimset Create or edit optimization options parameter structure
pdepe Solve initial-boundary value problems
pdeval Evaluate the solution computed by pdepe
quad Numerical evaluation of integrals, adaptive
Simpson quadrature
quadl Numerical evaluation of integrals, adaptive Lobatto
quadrature
vectorize Vectorize expression
Sparse Matrix Functions
Elementary Sparse Matrices
spdiags Extract and create sparse band and diagonal matrices
speye Sparse identity matrix
sprand Sparse uniformly distributed random matrix
sprandn Sparse normally distributed random matrix
sprandsym Sparse symmetric random matrix
Full to Sparse Conversion
find Find indices and values of nonzero elements
full Convert sparse matrix to full matrix
sparse Create sparse matrixspconvert Import matrix from sparse matrix external format
Working with Nonzero Entries
nnz Number of nonzero matrix elements
nonzeros Nonzero matrix elements
nzmax Amount of storage allocated for nonzero matrix elements
spalloc Allocate space for sparse matrix
spfun Apply function to nonzero sparse matrix elements
spones Replace nonzero sparse matrix elements with ones
Visualizing Sparse Matrices
spy Visualize sparsity pattern
Reordering Algorithms
colamd Column approximate minimum degree permutation
colmmd Sparse column minimum degree permutation
colperm Sparse column permutation based on nonzero count
dmperm Dulmage-Mendelsohn decomposition
randperm Random permutation
symamd Symmetric approximate minimum degree permutation
symmmd Sparse symmetric minimum degree ordering
symrcm Sparse reverse Cuthill-McKee ordering
Norm, Condition Number, and Rank
condest 1-norm matrix condition number estimate
normest 2-norm estimate
Sparse Systems of Linear Equations
bicg BiConjugate Gradients method
bicgstab BiConjugate Gradients Stabilized method
cgs Conjugate Gradients Squared method
cholinc Sparse Incomplete Cholesky and Cholesky-Infinity
factorizations
cholupdate Rank 1 update to Cholesky factorization
gmres Generalized Minimum Residual method (with restarts)
lsqr LSQR implementation of Conjugate Gradients on the normal
equations
luinc Incomplete LU matrix factorizations
pcg Preconditioned Conjugate Gradients method
qmr Quasi-Minimal Residual method
qr Orthogonal-triangular decomposition
qrdelete Delete column from QR factorization
qrinsert Insert column in QR factorization
qrupdate Rank 1 update to QR factorization
Sparse Eigenvalues and Singular Values
eigs Find eigenvalues and eigenvectors
svds Find singular values
Miscellaneous
spparms Set parameters for sparse matrix routines
Plotting and Data Visualization
Basic Plots and Graphs
bar Vertical bar chart
barh Horizontal bar chart
hist Plot histograms
histc Histogram count
hold Hold current graph
loglog Plot using log-log scales
pie Pie plot
plot Plot vectors or matrices.
polar Polar coordinate plot
semilogx Semi-log scale plot
semilogy Semi-log scale plot
subplot Create axes in tiled positions
Three-Dimensional Plotting
bar3 Vertical 3-D bar chart
bar3h Horizontal 3-D bar chart
comet3 3-D comet plot
cylinder Generate cylinder
fill3 Draw filled 3-D polygons in 3-space
plot3 Plot lines and points in 3-D space
quiver3 3-D quiver (or velocity) plot
slice Volumetric slice plot
sphere Generate sphere
stem3 Plot discrete surface data
waterfall Waterfall plot
Plot Annotation and Grids
clabel Add contour labels to a contour plot
datetick Date formatted tick labels
grid Grid lines for 2-D and 3-D plots
gtext Place text on a 2-D graph using a mouse
legend Graph legend for lines and patches
plotyy Plot graphs with Y tick labels on the left and right
title Titles for 2-D and 3-D plots
xlabel X-axis labels for 2-D and 3-D plots
ylabel Y-axis labels for 2-D and 3-D plots
zlabel Z-axis labels for 3-D plots
Surface, Mesh, and Contour Plots
contour Contour (level curves) plot
contourc Contour computation
contourf Filled contour plot
hidden Mesh hidden line removal mode
meshc Combination mesh/contourplot
mesh 3-D mesh with reference plane
peaks A sample function of two variables
surf 3-D shaded surface graph
surface Create surface low-level objects
surfc Combination surf/contourplot
surfl 3-D shaded surface with lighting
trimesh Triangular mesh plot
trisurf Triangular surface plot
Volume Visualization
coneplot Plot velocity vectors as cones in 3-D vector field
contourslice Draw contours in volume slice plane
curl Compute the curl and angular velocity of a vector
field
divergence Compute the divergence of a vector fieldflow Generate scalar volume data
interpstreamspeed Interpolate streamline vertices from vector-field
magnitudes
isocaps Compute isosurface end-cap geometry
isocolors Compute the colors of isosurface vertices
isonormals Compute normals of isosurface vertices
isosurface Extract isosurface data from volume data
reducepatch Reduce the number of patch faces
reducevolume Reduce number of elements in volume data set
shrinkfaces Reduce the size of patch faces
slice Draw slice planes in volume
smooth3 Smooth 3-D data
stream2 Compute 2-D stream line data
stream3 Compute 3-D stream line data
streamline Draw stream lines from 2- or 3-D vector data
streamparticles Draws stream particles from vector volume data
streamribbon Draws stream ribbons from vector volume data
streamslice Draws well-spaced stream lines from vector
volume data
streamtube Draws stream tubes from vector volume data
surf2patch Convert srface data to patch data
subvolume Extract subset of volume data set
volumebounds Return coordinate and color limits for volume
(scalar and vector)
Domain Generation
griddata Data gridding and surface fitting
meshgrid Generation of X and Y arrays for 3-D plots
Specialized Plotting
area Area plot
box Axis box for 2-D and 3-D plots
comet Comet plot
compass Compass plot
errorbar Plot graph with error bars
ezcontour Easy to use contour plotter
ezcontourf Easy to use filled contour plotter
ezmesh Easy to use 3-D mesh plotter
ezmeshc Easy to use combination mesh/contour plotter
ezplot Easy to use function plotter
ezplot3 Easy to use 3-D parametric curve plotter
ezpolar Easy to use polar coordinate plotter
ezsurf Easy to use 3-D colored surface plotter
ezsurfc Easy to use combination surface/contour plotter
feather Feather plot
fill Draw filled 2-D polygons
fplot Plot a function
pareto Pareto char
pie3 3-D pie plot
plotmatrix Scatter plot matrix
pcolor Pseudocolor (checkerboard) plot
rose Plot rose or angle histogram
quiver Quiver (or velocity) plot
ribbon Ribbon plot
stairs Stairstep graph
scatter Scatter plot
scatter3 3-D scatter plot
stem Plot discrete sequence data
convhull Convex hull
delaunay Delaunay triangulation
dsearch Search Delaunay triangulation for nearest point
inpolygon True for points inside a polygonal region
polyarea Area of polygon
tsearch Search for enclosing Delaunay triangle
voronoi Voronoi diagram
View Control
camdolly Move camera position and target
camlookat View specific objects
camorbit Orbit about camera target
campan Rotate camera target about camera position
campos Set or get camera position
camproj Set or get projection type
camroll Rotate camera about viewing axis
camtarget Set or get camera target
camup Set or get camera up-vector
camva Set or get camera view angle
camzoom Zoom camera in or out
daspect Set or get data aspect ratio
pbaspect Set or get plot box aspect ratio
view 3-D graph viewpoint specification.
viewmtx Generate view transformation matrices
xlim Set or get the current x-axis limits
ylim Set or get the current y-axis limits
zlim Set or get the current z-axis limits
Lighting
camlight Cerate or position Light
light Light object creation function
lighting Lighting mode
lightangle Position light in sphereical coordinates
material Material reflectance mode
Transparency
alpha Set or query t current axes ransparency properties for objects in
alphamap Specify the figure alphamap
alim Set or query the axes alpha limits
Color Operations
brighten Brighten or darken color map
caxis Pseudocolor axis scaling
colorbar Display color bar (color scale)
colordef Set up color defaults
colormap Set the color look-up table (list of colormaps)
graymon Graphics figure defaults set for grayscale monitor
hsv2rgb Hue-saturation-value to red-green-blue conversion
rgb2hsv RGB to HSVconversion
rgbplot Plot color map
shading Color shading mode
spinmap Spin the colormap
surfnorm 3-D surface normals
whitebg Change axes background color for plots
Colormaps
autumn Shades of red and yellow color map
bone Gray-scale with a tinge of blue color mapcontrast Gray color map to enhance image contrast
cool Shades of cyan and magenta color map
copper Linear copper-tone color map
flag Alternating red, white, blue, and black color map
gray Linear gray-scale color map
hot Black-red-yellow-white color map
hsv Hue-saturation-value (HSV) color map
jet Variant of HSV
lines Line color colormap
prism Colormap of prism colors
spring Shades of magenta and yellow color map
summer Shades of green and yellow colormap
winter Shades of blue and green color map
Printing
orient Hardcopy paper orientation
pagesetupdlg Page position dialog box
print Print graph or save graph to file
printdlg Print dialog box
printopt Configure local printer defaults
saveas Save figure to graphic file
Handle Graphics, General
allchild Find all children of specified objects
copyobj Make a copy of a graphics object and its children
findall Find all graphics objects (including hidden handles)
findobj Find objects with specified property values
gcbo Return object whose callback is currently executing
gco Return handle of current object
get Get object properties
rotate Rotate objects about specified origin and direction
ishandle True for graphics objects
set Set object properties
Working with Application Data
getappdata Get value of application data
isappdata True if applicat ion data exists
rmappdata Remove application data
setappdata Specify application data
Handle Graphics, Object Creation
axes Create Axes object
figure Create Figure (graph) windows
image Create Image (2-D matrix)
light Create Light object (illuminates Patch and Surface)
line Create Line object (3-D polylines)
patch Create Patch object (polygons)
rectangle Create Rectangle object (2-D rectangle)
surface Create Surface (quadrilaterals)
text Create Text object (character strings)
uicontextmenu Create context menu (popup associated with object)
Handle Graphics, Figure Windows
capture Screen capture of the current figure
clc Clear figure window
clf Clear figure
close Close specified window
closereq Default close request function
gcf Get current figure handle
newplot Graphics M-file preamble for NextPlot property
refresh Refresh figure
saveas Save figure or model to desired output format
Handle Graphics, Axes
axis Plot axis scaling and appearance
cla Clear Axes
gca Get current Axes handle
Object Manipulation
reset Reset axis or figure
rotate3d Interactively rotate the view of a 3-D plot
selectmoveresize Interactively select, move, or resize objects
Interactive User Input
ginput Graphical input from a mouse or cursor
zoom Zoom in and out on a 2-D plot
Region of Interest
dragrect Drag XOR rectangles with mouse
drawnow Complete any pending drawing
rbbox Rubberband box
Graphical User Interfaces
Dialog Boxes
dialog Create a dialog box
errordlg Create error dialog box
helpdlg Display help dialog box
inputdlg Create input dialog box
listdlg Create list selection dialog box
msgbox Create message dialog box
pagedlg Display page layout dialog box
printdlg Display print dialog box
questdlg Create question dialog box
uigetfile Display dialog box to retrieve name of file for reading
uiputfile Display dialog box to retrieve name of file for writing
uisetcolor Interactively set a ColorSpec using a dialog box
uisetfont Interactively set a font using a dialog box
warndlg Create warning dialog box
User Interface Deployment
guidata Store or retrieve application data
guihandles Create a structure of handles
movegui Move GUI figure onscreen
openfig Open or raise GUI figure
User Interface Development
guide Open the GUI Layout Editor
inspect Display Property InspectorMATLAB Interface to Java
class Create object or return class of object
import Add a package or class to the current Java import list
isa Detect an object of a given class
isjava Test whether an object is a Java object
javaArray Constructs a Java array
javaMethod Invokes a Java method
javaObject Constructs a Java object
methods Display method names
methodsview Displays information on all methods implemented by a
class
External Programming Interface
C MEX-Functions
mexAtExit Register function to be called when
MATLAB is cleared or terminates
mexCallMATLAB Call MATLAB function or user-defined Mfile or MEX-file
mexErrMsgTxt Issue error message and return to MATLAB
mexEvalString Execute MATLAB command in caller's
workspace
mexFunction Entry point to C MEX-file
mexFunctionName Name of current MEX-function
mexGet Get value of Handle Graphics property
mexGetArray Get copy of variable from another workspace
mexGetArrayPtr Get read-only pointer to variable from
another workspace
mexIsGlobal True if mxArray has global scope
mexIsLocked True if MEX-file is locked
mexLock Lock MEX-file so it cannot be cleared from
memory
mexMakeArrayPersisten
t
Make mxArray persist after MEX-file
completes
mexMakeMemoryPersist
ent
Make memory allocated by MATLAB's
memory allocation routines persist after
MEX-file completes
mexPrintf ANSI C printf-style output routine
mexPutArray Copy mxArray from your MEX-file into
another workspace
mexSet Set value of Handle Graphics property
mexSetTrapFlag Control response of mexCallMATLAB to
errors
mexUnlock Unlock MEX-file so it can be cleared from
memory
mexWarnMsgTxt Issue warning message
C MX Functions
mxAddField Add field to structure array
mxArrayToString Convert arrays to strings
mxAssert Check assertion value
mxAssertS Check assertion value; doesn't print
assertion's text
mxCalcSingleSubscript Return offset from first element to desired
element
mxCalloc Allocate dynamic memory
mxChar String mxArrays data type
mxClassID Enumerated data type that identifies
mxArray's class
mxClearLogical Clear logical flag
mxComplexity Specifies if mxArray has imaginary
components
mxCreateCellArray Create unpopulated N-dimensional cell
mxArray
mxCreateCellMatrix Create unpopulated two-dimensional cell
mxArray
mxCreateCharArray Create unpopulated N-dimensional string
mxArray
mxCreateCharMatrixFr
omStrings
Create populated t wo-dimensional string
mxArray
mxCreateDoubleMatrix Create unpopulated two-dimensional, doubleprecision, floating-point mxArray
mxCreateNumericArray Create unpopulated N-dimensional numeric
mxArray
mxCreateNumericMatrix Create numeric matrix and initialize data
elements to 0
mxCreateScalarDouble Create scalar, double-precision array
initialized to specified value
mxCreateSparse Create two-dimensional unpopulated sparse
mxArray
mxCreateString Create 1-by-n string mxArray initialized to
specified strin g
mxCreateStructArray Create unpopulated N-dimensional structure
mxArray
mxCreateStructMatrix Create unpopulated two-dimensional
structure mxArray
mxDestroyArray Free dynamic memory allocated by an
mxCreate routine
mxDuplicateArray Make deep copy of array
mxFree Free dynamic memory allocated by mxCalloc
mxGetCell Get cell's contents
mxGetClassID Get mxArray's class
mxGetClassName Get mxArray's class
mxGetData Get pointer to data
mxGetDimensions Get pointer to dimensions array
mxGetElementSize Get number of bytes required to store each
data element
mxGetEps Get value of eps
mxGetField Get field value, given field name and index in
structure array
mxGetFieldByNumber Get field value, given field number and index
in structure array
mxGetFieldNameByNum
ber
Get field name, given field number in
structure array
mxGetFieldNumber Get field number, given field name in
structure array
mxGetImagData Get pointer to imaginary data of mxArray
mxGetInf Get value of infinity
mxGetIr Get ir array of sparse matrix
mxGetJc Get jc array of sparse matrix
mxGetM Get number of rows
mxGetN Get number of columns or number of
elements
mxGetName Get name of specified mxArray
mxGetNaN Get the value of NaN
mxGetNumberOfDimens
ions
Get number of dimensions
mxGetNumbe rOfElemen
ts
Get number of elements in array
mxGetNumberOfFields Get number of fields in structure mxArray
mxGetNzmax Get number of elements in ir, pr, and pi
arrays
mxGetPi Get mxArray's imaginary data elements
mxGetPr Get mxArray's real data elements
mxGetScalar Get real component of mxArray's first data
element
mxGetString Copy string mxArray's data into C-style
string
mxIsCell True if cell mxArray
mxIsChar True if string mxArray
mxIsClass True if mxArray is member of specified class
mxIsComplex True if data is complex
mxIsDouble True if mxArray represents its data as doubleprecision, floating-point numbersmxIsEmpty True if mxArray is empty
mxIsFinite True if value is finite
mxIsFromGlobalWS True if mxArray was copied from
MATLAB's global workspace
mxIsInf True if value is infinite
mxIsInt8 True if mxArray represents its data as signed
8-bit integers
mxIsInt16 True if mxArray represents its data as signed
16-bit integers
mxIsInt32 True if mxArray represents its data as signed
32-bit integers
mxIsLogical True if mxArray is Boolean
mxIsNaN True if value is NaN
mxIsNumeric True if mxArray is numeric
mxIsSingle True if mxArray represents its data as singleprecision, floating-point numbers
mxIsSparse True if sparse mxArray
mxIsStruct True if structure mxArray
mxIsUint8 True if mxArray represents its data as
unsigned 8-bit integers
mxIsUint16 True if mxArray represents its data as
unsigned 16-bit integers
mxIsUint32 True if mxArray represents its data as
unsigned 32-bit integers
mxMalloc Allocate dynamic memory using MATLAB's
memory manager
mxRealloc Reallocate memory
mxRemoveField Remove field from structure array
mxSetAllocFcns Register memory allocation/deallocation
functions in stand-alone engine or MAT
application
mxSetCell Set value of one cell
mxSetClassName Convert MATLAB structure array to
MATLAB object array
mxSetData Set pointer to data
mxSetDimensions Modify number/size of dimensions
mxSetField Set field value of structure array, given field
name/index
mxSetFieldByNumber Set field value in structure array, given field
number/index
mxSetImagData Set imaginary data pointer for mxArray
mxSetIr Set ir array of sparse mxArray
mxSetJc Set jc array of sparse mxArray
mxSetLogical Set logical flag
mxSetM Set number of rows
mxSetN Set number of columns
mxSetName Set name of mxArray
mxSetNzmax Set storage space for nonzero elements
mxSetPi Set new imaginary data for mxArray
mxSetPr Set new real data for mxArray
C Engine Routines
engClose Quit engine session
engEvalString Evaluate expression in string
engGetArray Copy variable from engine workspace
engOpen Start engine session
engOpenSingleUse Start engine session for single, nonshared use
engOutputBuffer Specify buffer for MATLAB output
engPutArray Put variables into engine workspace
C MAT-File Routines
matClose Close MAT-file
matDeleteArray Delete named mxArray from MAT -file
matGetArray Read mxArray from MAT-file
matGetArrayHeader Load header array information only
matGetDir Get directory of mxArrays in MAT-file
matGetFp Get file pointer to MAT-file
matGetNextArray Read next mxArray from MAT -file
matGetNextArrayHeader Load array header information only
matOpen Open MAT-file
matPutArray Write mxArrays into MAT-files
matPutArrayAsGlobal Put mxArrays into MAT-files
Serial Port I/O
Creating a Serial Port Object
serial Create a serial port object
Writing and Reading Data
fgetl Read one line of text from the device and discard the terminator
fgets Read one line of text from the device and include the terminator
fprintf Write text to the device
fread Read binary data from the device
fscanf Read data from the device, and format as text
fwrite Write binary data to the device
readasync Read data asynchronously from the device
stopasync Stop asynchronous read and write operations
Configuring and Returning Properties
get Return serial port object properties
set Configure or display serial port object properties
State Change
fclose Disconnect a serial port object from the device
fopen Connect a serial port object to the device
record Record data and event information to a file
General Purpose
clear Remove a serial port object from the MATLAB workspace
delete Remove a serial port object from memory
disp Display serial port object summary information
instraction Display event information when an event occurs
instrfind Return serial port objects from memory to the MATLAB
workspace
isvalid Determine if serial port objects are valid
length Length of serial port object array
load Load serial port objects and variables into the MATLAB
workspace
save Save serial port objects and variables to a MAT-file
serialbreak Send a break to the device connected to the serial port
size Size of serial port object array
Handle Graphic Properties
Root
ButtonDownFcn; CallbackObject; Children; Clipping; CreateFcn;
CurrentFigure; DeleteFcn; Diary; DiaryFile; Echo; ErrorMessage;
FixedWidthFontName; Format; FormatSpacing; HandleVisibility;
HitTest; Interruptible; Language; Parent; PointerLocation;
PointerWindow; Profile; ProfileCount; ProfileFile; ProfileInterval;
ScreenDepth; ScreenSize; Selected; SelectionHighlight;
ShowHiddenHandles; Tag; Type; UIContextMenu; Units; UserData;
VisibleFigure
AlphaMap; BackingStore; BusyAction; ButtonDownFcn; Children;
Clipping; CloseRequestFcn; Color; Colormap; CreateFcn;
CurrentAxes; CurrentCharacter; CurrentObject; CurrentPoint;
DeleteFcn; Dithermap; DithermapMode; DoubleBuffer; FixedColors;
HandleVisibility; HitTest; IntegerHandle; Interruptible;
InvertHardcopy; KeyPressFcn; MenuBar; MinColormap; Name;
NextPlot; NumberTitle; PaperOrientation; PaperPosition;
PaperPositionMode; PaperSize; PaperType; PaperUnits; Parent;
Pointer; PointerShapeCData; PointerShapeHotSpot; Position;
Renderer; RendererMode; Resize; ResizeFcn; Selected;
SelectionHighlight; SelectionType; ShareColors; Tag; Type;
UIContextMenu; Units; UserData; Visible; WindowButtonDownFcn;
WindowButtonMotionFcn; WindowButtonUpFcn; WindowStyle
Axes
ALim; ALimMode; AmbientLightColor; Box; BusyAction;
ButtonDownFcn; CLim; CLimMode; CameraPosition;
CameraPositionMode; CameraTarget; CameraTargetMode;
CameraUpVector; CameraUpVectorMo de; CameraViewAngle;
CameraViewAngleMode; Children; Clipping; Color; ColorOrder;
CreateFcn; CurrentPoint; DataAspectRatio; DataAspectRatioMode;
DeleteFcn; DrawMode; FontAngle; FontName; FontSize; FontUnits;
FontWeight; GridLineStyle; HandleVisibility; HitTest; Interruptible;
Layer; LineStyleOrder; LineWidth; NextPlot; Parent;
PlotBoxAspectRatio; PlotBoxAspectRatioMode; Position; Projection;
Selected; SelectionHighlight; Tag; TickDir; TickDirMode;
TickLength; Title; Type; Units; UIContextMenu; UserData; View;
Visible; XAxisLocation; XColor; Xdir; XGrid; XLabel; XLim;
XLimMode; XScale; XTick; XTickLabel; XTickLabelMode;
XTickMode; YAxisLocation; YColor; YDir; YGrid; YLabel; YLim;
YLimMode; YScale; YTick; YTickLabel; YTickLabelMode;
YTickMode; ZColor; ZDir; ZGrid; ZLabel; ZLim; ZLimMode;
ZScale; ZTick; ZTickLabel; ZTickLabelMode; ZtickMode
Line
BusyAction; ButtonDownFcn; Children; Clipping; Color; CreateFcn;
DeleteFcn; EraseMode; HandleVisibility; HitTest; Interruptible;
LineStyle; LineWidth; Marker; MarkerEdgeColor;
MarkerFaceColor; MarkerSize; Parent; Selected; SelectionHighlight;
Tag; Type; UIContextMenu; UserData; Visible; XData; YData;
ZData
Text
BusyAction; ButtonDownFcn; Children; Clipping; Color; CreateFcn;
DeleteFcn; Editing; EraseMode; Extent; FontAngle; FontName;
FontSize; FontUnits; FontWeight; HandleVisibility; HitTest;
HorizontalAlignment; Interpreter; Interruptible; Parent; Position;
Rotation; Selected; SelectionHighlight; String; Tag; Type;
UIContextMenu; Units; UserData; VerticalAlignment; Visible
Uicontrol
BackgroundColor; BusyAction; ButtonDownFcn; Callback; CData;
Children; Clipping; CreateFcn; DeleteFcn; Enable; Extent;
FontAngle; FontName; FontSize; FontUnits; FontWeight;
ForegroundColor; HandleVisibility; HitTest; HorizontalAlignment;
Interruptible; ListboxTop; Max; Min; Parent; Position; Selected;
SelectionHighlight; SliderStep; String; Style; Tag; TooltipString;
Type; UIContextMenu; Units; UserData; Value; Visible
Uimenu
Accelerator; BusyAction; ButtonDownFcn; Callback; Checked;
Children; Clipping; CreateFcn; DeleteFcn; Enable;
ForegroundColor; HandleVisibility; HitTest; Interruptible; Label;
Parent; Position; Selected; SelectionHighlight; Separator; Tag; Type;
UIContextMenu; UserData; Visible
#ماتلاب,#متلاب,#Matlab,

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