CUMSIMPSUM

Version 1.0.0.0 (1.28 KB) by Michael Meyer
Cumulative numerical integration via the Simpson's rule.
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Updated 29 Oct 2004

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Z = CUMSIMPSUM(Y,DEL) computes an approximation of the cumulative integral of Y from a=0 to b via the Simpson's rule (with unit spacing). For matrices Y, CUMSIMPSUM works on columns of Y. DEL contains the upper limit(s) b.

CUMSIMPSUM is a cumulative analog to SIMPSUM and may be used as an alternative to CUMTRAPZ.

Cite As

Michael Meyer (2026). CUMSIMPSUM (https://www.mathworks.com/matlabcentral/fileexchange/6081-cumsimpsum), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R13
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Acknowledgements

Inspired by: SIMPSUM

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Version Published Release Notes
1.0.0.0

This updated version outputs a 1-by-N vector in case a 1-by-N vector is inputted (while the previous version always outputted a N-by-1 vector, regardless of a row or column input vector). The integration steps were not modified.