• Getting Started

• User's Guide

• Functions

• Bitwise Operations

• Constructors and Properties

• Data Manipulation

• Data Type Operations

• Data Type Tools

• Data Quantizing

• Element-Wise Logical Operators

• Math Operations

• Matrix Manipulation

• Plots

• Relational Operators

• Statistics

• Subscripted Assignment and Reference

• fi Object Operations

• fimath Object Operations

• fipref Object Operations

• fiaccel Operations

• numerictype Object Operations

• quantizer Object Operations

Examples

• Release Notes

isnumeric - Determine whether input is numeric array

Description

Refer to the MATLAB isnumeric reference page for more information.

Free Early Verification Kit

Learn how to apply early verification to your development process through these technical resources.

Get technical kit

Trial software available

How much time do you spend on testing to ensure implementation meets system-level requirements?

Learn more

Search MATLAB Documentation
R2012a Documentation → Fixed-Point Toolbox
View documentation for other releases	Learn more about Fixed-Point Toolbox