How to use Permute?

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Bas
Bas on 9 Sep 2015
Edited: John D'Errico on 9 Sep 2015
Hello,
I have a matrix A(2362x48) and I want to convert this into a 3D matrix B(2362X12X4). So I want all the rows of columns 1:12 of matrix A to be in B(:,:,1) and all rows of columns 13:24 of A in B(:,:,2) etc. Can anyone help me with this? I tried permute but get different matrices all the time..

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Accepted Answer

Sean de Wolski
Sean de Wolski on 9 Sep 2015
reshape(A,size(A,1),12,4)
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John D'Errico
John D'Errico on 9 Sep 2015
Edited: John D'Errico on 9 Sep 2015
+1. An excellent use for permute. :)
I suppose IF the OP INSISTS on using permute here, then this is an option:
permute(reshape(A,size(A,1),12,4),[1 2 3])
:)

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