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is*

Detect state

Description

These functions detect the state of MATLAB® entities:

isa

Detect object of given MATLAB class or Java® class

isappdata

Determine if object has specific application-defined data

iscategorical

Determine whether input is categorical array

iscategory

Test for categorical array categories

iscell

Determine if input is cell array

iscellstr

Determine if input is cell array of strings

ischar

Determine if input is character array

iscolumn

Determine whether input is column vector

iscom

Determine if input is Component Object Model (COM) object

isdir

Determine if input is folder

isempty

Determine if input is empty array

isequal

Determine if arrays are numerically equal

isequaln

Determine if arrays are numerically equal, treating NaNs as equal

isevent

Determine if input is Component Object Model (COM) object event

isfield

Determine if input is MATLAB structure array field

isfinite

Detect finite elements of array

isfloat

Determine if input is floating-point array

isglobal

Determine if input is global variable

ishandle

Detect valid graphics object handles

ishold

Determine if graphics hold state is on

isinf

Detect infinite elements of array

isinteger

Determine if input is integer array

isinterface

Determine if input is Component Object Model (COM) interface

isjava

Determine if input is Java object

iskeyword

Determine if input is MATLAB keyword

isletter

Detect elements that are alphabetic letters

islogical

Determine if input is logical array

ismac

Determine if running MATLAB for Macintosh OS X platform

ismatrix

Determine whether input is matrix

ismember

Detect members of specific set

ismethod

Determine if input is object method

ismissing

Find table elements with missing values

isnan

Detect elements of array that are not a number (NaN)

isnumeric

Determine if input is numeric array

isobject

Determine if input is MATLAB object

isordinal

Determine whether input is ordinal categorical array

ispc

Determine if running MATLAB for PC (Windows®) platform

isprime

Detect prime elements of array

isprop

Determine if input is object property

isprotected

Determine whether categories of categorical array are protected

isreal

Determine if all array elements are real numbers

isrow

Determine whether input is row vector

isscalar

Determine if input is scalar

issorted

Determine if set elements are in sorted order

isspace

Detect space characters in array

issparse

Determine if input is sparse array

isstrprop

Determine if string is of specified category

isstruct

Determine if input is MATLAB structure array

isstudent

Determine if Student Version of MATLAB

istable

Determine whether input is table

isundefined

Find undefined elements in categorical array

isunix

Determine if running MATLAB for UNIX®[a] platform.

isvarname

Determine if input is valid variable name

isvector

Determine if input is vector

[a] UNIX is a registered trademark of The Open Group in the United States and other countries.

See Also

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