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Index

• Getting Started

• User's Guide

• Desktop Tools and Development Environment

• Data Import and Export

• Mathematics

• Arrays and Matrices

• Linear Algebra

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• Rounding and Remainder

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• Cartesian Coordinate System Conversion

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• Data Analysis

• Programming and Data Types

• Object-Oriented Programming

• 3-D Visualization

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• Release Notes

log1p - Compute log(1+x) accurately for small values of x

Syntax

y = log1p(x)

Description

y = log1p(x) computes log(1+x), compensating for the roundoff in 1+x. log1p(x) is more accurate than log(1+x) for small values of x. For small x, log1p(x) is approximately x, whereas log(1+x) can be zero.

See Also

expm1 | log

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