Data Type Identification

Determining data type of a variable

Functions

`iscalendarduration`	Determine if input is calendar duration array
`iscategorical`	Determine whether input is categorical array
`iscell`	Determine whether input is cell array
`iscellstr`	Determine if input is cell array of character vectors
`ischar`	Determine if input is character array
`isdatetime`	Determine if input is datetime array
`isduration`	Determine if input is duration array
`isenum`	Determine if variable is enumeration
`isfloat`	Determine if input is floating-point array
`isgraphics`	True for valid graphics object handles
`isinteger`	Determine if input is integer array
`isjava`	Determine if input is Java object
`islogical`	Determine if input is logical array
`isnumeric`	Determine if input is numeric array
`isobject`	Determine if input is MATLAB object
`isreal`	Determine whether array is real
`isstring`	Determine if input is string array
`isstruct`	Determine whether input is structure array
`istable`	Determine whether input is table
`istimetable`	Determine if input is timetable

`is*`	Detect state
`isa`	Determine if input is object of specified class
`class`	Determine class of object
`validateattributes`	Check validity of array
`whos`	List variables in workspace, with sizes and types

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