MATLAB Function Reference

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
`iscell`	Determine if input is cell array
`iscellstr`	Determine if input is cell array of strings
`ischar`	Determine if input is character array
`iscom`	Determine if input is Component Object Model (COM) object
`isdir`	Determine if input is directory
`isempty`	Determine if input is empty array
`isequal`	Determine if arrays are numerically equal
`isequalwithequalnans`	Determine if arrays are numerically equal, treating `NaN`s as equal
`isevent`	Determine if input is 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
`ismember`	Detect members of specific set
`ismethod`	Determine if input is object method
`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
`ispc`	Determine if running MATLAB for PC (Windows^®) platform
`isprime`	Detect prime elements of array
`isprop`	Determine if input is object property
`isreal`	Determine if all array elements are real numbers
`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
`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.

is* - Detect state

Description

See Also