Distribute matrix elements to smaller grids.

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Sourangsu Chowdhury
回答： Guillaume 2019-2-3
I need to distribte matrix elements into a smaller grid size.
For example, I have a matrix with size 2x2
[10 20
30 40]
I want a matrix with size 4x4 by distributing the elements into a finer resolution.
[2.5 2.5 5 5
2.5 2.5 5 5
7.5 7.5 10 10
7.5 7.5 10 10]
I could do this using resizem and then dividing each element by 4. Is there any other efficient way to do this?

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采纳的回答

Guillaume
Guillaume 2019-2-3
Easily:
M = [10 20;
30 40];
scaling = 2;
repelem(M/scaling^2, scaling, scaling)

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