ntimes

Multiplies arrays of 2D matrices in an efficient manner.
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Updated 9 Sep 2013

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Given 2 3D arrays, A and B, where A(:,:,i) and B(:,:,i) are i 2D matrices, multiply A(:,:,i)*B(:,:,i) without the use of a for loop.

More an experiment in coding than a practically useful piece of code, the goal was to derive an efficient method for multiplying many matrices together without the use of computationally expensive for loops.

Some applications include optical flow algorithms and image processing.

Created by a colleague, Ampere Kui.

Cite As

Michael Stachowsky (2024). ntimes (https://www.mathworks.com/matlabcentral/fileexchange/25346-ntimes), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2007b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.1.0.0

Changed the file name so that it conforms to MATLAB standards.

1.0.0.0