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Split a matrix into smaller pieces - help

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Itachi
Itachi on 10 Sep 2012
Hi guys, I have a 16x36 matrix and I want to divide it into 4x36 submatrixes. I used reshape(matrix,4,[],4) but the order of elements got wrong. Any ideas?
Best regards,

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Accepted Answer

Matt Fig
Matt Fig on 10 Sep 2012
Edited: Matt Fig on 10 Sep 2012
A = reshape(1:36*16,16,36);
B = mat2cell(A,[4 4 4 4],36);
Now you have each submatrix stored in a cell of B. For example, B{1} is:
B{1}

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Itachi
Itachi on 10 Sep 2012
Thanks, but I want sth like the reshape function to give me var(: , : , i) for each 4x36 matrix. Is there any other way?
Best regards,
Matt Fig
Matt Fig on 10 Sep 2012
With A as above:
B = permute(reshape(A.',36,4,4),[2,1,3])

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