MATLAB Function Reference

is*

Detect state

Description

These functions detect the state of MATLAB entities:

isappdata	Determine if object has specific application-defined data
iscell	Determine if item is a cell array
iscellstr	Determine if item is a cell array of strings
ischar	Determine if item is a character array
isempty	Determine if item is an empty array
isequal	Determine if arrays are numerically equal
isequalwithequalnans	Determine if arrays are numerically equal, treating NaNs as equal
isfield	Determine if item is a MATLAB structure array field
isfinite	Detect finite elements of an array
isglobal	Determine if item is a global variable
ishandle	Detect valid graphics object handles
ishold	Determine if graphics hold state is on
isinf	Detect infinite elements of an array.
isjava	Determine if item is a Java object
iskeyword	Determine if item is a MATLAB keyword
isletter	Detect array elements that are letters of the alphabet
islogical	Determine if item is a logical array
ismember	Detect members of a specific set
isnan	Detect elements of an array that are not a number (NaN)
isnumeric	Determine if item is a numeric array
isobject	Determine if item is a MATLAB OOPs object
ispc	Determine if PC (Windows) version of MATLAB
isprime	Detect prime elements of an array.
isreal	Determine if all array elements are real numbers
isruntime	Determine if MATLAB is or emulates the Runtime Server
issorted	Determine if set elements are in sorted order
isspace	Detect elements that are ASCII white spaces
issparse	Determine if item is a sparse array
isstruct	Determine if item is a MATLAB structure array
isstudent	Determine if student edition of MATLAB
isunix	Determine if UNIX version of MATLAB
isvarname	Determine if item is a valid variable name

See Also

isa

ipermute

isa