List of Built-In Commands and Functions

Programming keywords

break case catch clear continue define endfunction else elseif

error for function global if otherwise persistent private public

repeat rethrow return switch try until use useifexists while

Programming operators and functions

assert Variable assignment Operator () Operator @ builtin deal dumpvar eval exist feval fevalx

fun2str help info inline inmem isglobal iskeyword lasterr lasterror lookfor nargin

nargout sandbox sandboxtrust str2fun str2obj subsasgn subsref variables which

Arrays

[] , ; : beginning cat diag end eye find flipdim fliplr flipud

ind2sub ipermute isempty length magic matrixcol matrixrow meshgrid ndgrid ndims nnz numel ones

permute rand randn repmat reshape rot90 size sort squeeze sub2ind unique zeros

Strings

base64decode base64encode char deblank findstr ischar isdigit isempty isletter

isspace length lower md5 setstr sha1 sprintf sscanf strcmp

strcmpi strmatch strtok strtrim upper utf8decode utf8encode

Lists

{} apply join isempty

islist length list2num map

num2list replist

Structures ans structure arrays

cell2struct fieldnames getfield isfield

isstruct orderfields rmfield setfield

struct struct2cell structarray

Objects

class isa

isobject methods

Logical operators

== === ~= ~== <

> <= >= ~ &

| && || ?

Logical functions

all any false find ischar isdigit isempty

isfinite isfloat isinf isinteger isletter islogical isnan

isnumeric isscalar isspace isvector logical true xor

Bitwise functions

bitall bitand bitany bitcmp

bitget bitor bitset bitshift

bitxor graycode igraycode

Integer functions

int8 int16 int32

int64 map2int uint8

uint16 uint32 uint64

Set functions

intersect ismember

setdiff setxor

union unique

Constants

eps false i inf

intmax intmin j nan

pi realmax realmin true

Arithmetic functions

+ - * .* / ./

\ .\ ^ .^ cumprod cumsum

diff kron mod prod rem sum

Trigonometric and hyperbolic functions

acos acosh acot acoth acsc acsch asec asech asin

asinh atan atan2 atanh cos cosh cot coth csc

csch sec sech sin sinh tan tanh

Other scalar math functions

abs angle beta betainc betaln cdf conj diln ellipam ellipe ellipf ellipj ellipke

erf erfc erfinv exp expm1 factorial gamma gammainc gammaln gcd hypot imag lcm

log log10 log1p log2 nchoosek pdf real reallog realpow realsqrt sign sinc sqrt

Type conversion functions

cast ceil complex double

fix floor round single

swapbytes typecast

Matrix math functions

' .' balance care chol cond conv2 dare det dlyap eig

expm fft funm hess ifft inv linprog logm lu lyap norm

null orth pinv qr rank schur sqrtm svd trace tril triu

Geometry functions

cross

dot

Statistic functions

cov kurtosis max

mean min moment

skewness std var

Polynomial math functions

addpol conv deconv

filter poly polyder

polyint polyval roots

Interpolation and triangulation functions

delaunay delaunayn griddata griddatan

interp1 interpn tsearch tsearchn

voronoi voronoin

Quaternion operators

, ; == ~= + -

* .* / ./ \ .\

^ .^ ' .'

Quaternion math functions

abs conj cos cumsum diff exp log mean

q2mat q2rpy q2str qimag qinv qnorm qslerp quaternion

real rpy2q sign sin sqrt sum

Quaternion other functions

beginning cat char disp dumpvar double end flipdim

fliplr flipud ipermute isempty isquaternion length ndims numel

permute repmat reshape rot90 size squeeze subsasgn subsref

Non-linear numerical functions

fminbnd fminsearch fzero

ode23 ode45 odeset

optimset quad

Dynamical systems functions

c2dm d2cm

dmargin margin

ss2tf tf2ss

Input/output

bwrite disp error fclose feof fgetl fgets format

fprintf fread fscanf fseek ftell fwrite matfiledecode matfileencode

redirect sprintf sread sscanf swrite warning

Files

fopen

Basic graphics

bar barh circle contour fontset fplot image label

legend line plot plotoption quiver scale scalefactor subplot

subplotparam subplotpos subplotprops subplots text title

Graphics for dynamical systems

bodemag bodephase dbodemag dbodephase dimpulse dinitial dlsim dnichols dnyquist

dsigma dstep erlocus hgrid hstep impulse initial lsim ngrid

nichols nyquist plotroots rlocus sgrid sigma step zgrid

Data compression

deflate

inflate

Image input/output

imageread

imageset

imagewrite

Date and time

cal2julian clock

julian2cal tic

toc

Unix

cd cputime

getenv pwd

sleep unix

Sysquake Remote

beginfigure endfigure figurelist getclick

htmlspecialchars http httpheader httpvars

urldecode urlencode