Product Documentation

Search MATLAB Documentation
R2012a Documentation → MATLAB
View documentation for other releases	Learn more about MATLAB

Contents

Index

• Getting Started

• User's Guide

• Desktop Tools and Development Environment

• Data Import and Export

• Mathematics

• Data Analysis

• Programming and Data Types

• Data Type Conversion

• String to Numeric

• Numeric to String

• Other Conversions

• Operators and Special Characters

• Bit-Wise Operations

• Logical Operations

• Relational Operations

• Set Operations

• Date and Time Operations

• Programming in MATLAB

• Object-Oriented Programming

• 3-D Visualization

• GUI Development

• External Interfaces

• Release Notes

double - Convert to double precision

Syntax

double(x)

Description

double(x) returns the double-precision value for X. If X is already a double-precision array, double has no effect.

Tips

The double function should be overloaded for any object when it makes sense to convert it to a double-precision value.

» Learn more
» Download free kit
» Get trial software

© 1984-2012- The MathWorks, Inc. - Site Help - Patents - Trademarks - Privacy Policy - Preventing Piracy - RSS