Identifying Numeric Classes

This is machine translation

Translated by

Mouseover text to see original. Click the button below to return to the English version of the page.

Note: This page has been translated by MathWorks. Click here to see
To view all translated materials including this page, select Country from the country navigator on the bottom of this page.

You can check the data type of a variable x using any of these commands.

Command	Operation
`whos x`	Display the data type of `x`.
`xType = class(x);`	Assign the data type of `x` to a variable.
`isnumeric(x)`	Determine if `x` is a numeric type.
`isa(x, 'integer') isa(x, 'uint64') isa(x, 'float') isa(x, 'double') isa(x, 'single')`	Determine if `x` is the specified numeric type. (Examples for any integer, unsigned 64-bit integer, any floating point, double precision, and single precision are shown here).
`isreal(x)`	Determine if `x` is real or complex.
`isnan(x)`	Determine if `x` is Not a Number (`NaN`).
`isinf(x)`	Determine if `x` is infinite.
`isfinite(x)`	Determine if `x` is finite.

MATLAB Documentation

Support

Introducing Deep Learning with MATLAB

Download ebook

This is machine translation

Identifying Numeric Classes

Select a Web Site

How to Get Best Site Performance

Americas

Europe

Asia Pacific

MATLAB Documentation

Support

Introducing Deep Learning with MATLAB