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Contents

Index

• Getting Started

• User's Guide

• Functions

• Desktop Tools and Development Environment

• Data Import and Export

• Mathematics

• Data Analysis

• Programming and Data Types

• Data Types

• Numeric Types

• Characters and Strings

• Structures

• Cell Arrays

• Map Container Objects

• Function Handles

• Java Classes and Objects

• Data Type Identification

• Data Type Conversion

• Operators and Special Characters

• Strings

• Bit-Wise Operations

• Logical Operations

• Relational Operations

• Set Operations

• Date and Time Operations

• Programming in MATLAB

• Object-Oriented Programming

• Graphics

• 3-D Visualization

• GUI Development

• External Interfaces

• Examples

• Release Notes

isstruct - Determine whether input is structure array

Syntax

tf = isstruct(A)

Description

tf = isstruct(A) returns logical 1 (true) if A is a MATLAB structure and logical 0 (false) otherwise.

Examples

patient.name = 'John Doe';
patient.billing = 127.00;
patient.test = [79 75 73; 180 178 177.5; 220 210 205];

isstruct(patient)

ans =

     1

How To

dynamic field names

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