Contents

Index

• Getting Started

• Image Display and Exploration

• Spatial Transformation and Image Registration

• Image Analysis and Statistics

• Image Analysis

• Texture Analysis

• Pixel Values and Statistics

• Image Arithmetic

• Image Enhancement and Restoration

• Linear Filtering and Transforms

• Morphological Operations

• ROI-Based, Neighborhood, and Block Processing

• Colormaps and Color Space

• Release Notes

Learn more about Image Processing Toolbox

std2 - Standard deviation of matrix elements

Syntax

b = std2(A)

Description

b = std2(A) computes the standard deviation of the values in A.

Class Support

A can be numeric or logical. B is a scalar of class double.

Algorithm

std2 computes the standard deviation of the array A using std(A(:)).

See Also

corr2, mean2

std, mean in the MATLAB Function Reference

rsetwrite

stdfilt

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