3D sparse matrices

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Francisco Enriquez il 1 Nov 2022

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Commentato: Francisco E. Enríquez Mier y Terán il 2 Nov 2022

Hi,

I've read a few posts (dating from 2015) from people seeking to implement 3D sparse matrices in MATLAB. I'm wondering why is the case that there's still no option to create this 3D sparse matrices in MATLAB.

Regards

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James Tursa il 1 Nov 2022

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You can use the ndSparse FEX submission by Matt J:

https://www.mathworks.com/matlabcentral/fileexchange/29832-n-dimensional-sparse-arrays?s_tid=srchtitle

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Francisco E. Enríquez Mier y Terán il 2 Nov 2022

Hi James,

Thanks. I'll ask Matt J. about the limitations of his code.

My task is creating a 3D matrix with 33856 x 33856 x 16 elements. Many of them zero; of course.

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