extrema.m, extrema2.m

Version 1.0.0.0 (51.6 KB) by Carlos Adrian Vargas Aguilera
Search all extrema points of a time series or a surface with/without NaN's.
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38.4K Downloads
Updated 4 May 2016

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Editor's Note: This file was selected as MATLAB Central Pick of the Week

Search all the maxima and minima points (peaks) in a time series (vector) or a surface (matrix), via columns, rows and crossing diagonals, ignoring NaN's elements.
USAGE:

[zmax,imax,zmin,imin]= extrema2(peaks);

where zmax (zmin) are the maxima (minima) elements and imax (imin) their linear index (check IND2SUB).

They come with the examples on the screenshot.

These are the same files as EXTREME.M and EXTREME2.M, but updated.

Cite As

Carlos Adrian Vargas Aguilera (2024). extrema.m, extrema2.m (https://www.mathworks.com/matlabcentral/fileexchange/12275-extrema-m-extrema2-m), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14
Compatible with any release
Platform Compatibility
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extrema/

Version Published Release Notes
1.0.0.0

Change the name to EXTREMA and EXTREMA2. Added definition. Little changes on the submit.
BSD License