How to reshape an M x (aN) matrix into a (aM) x (N) matrix in MATLAB?

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Mehmet
Mehmet 2022-3-28
评论： Mehmet 2022-3-28
Hey everyone,
I want to reshape an M x (aN) matrix into a (aM) x (N) matrix in MATLAB without using nested for loops?
An example transformation is given below if a=3. (Each square is given with a size of M x N)

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Bruno Luong
Bruno Luong 2022-3-28
编辑：Bruno Luong 2022-3-28
Ran in:
Use permute
m = 3;
n = 2;
a = 4;
A = reshape(zeros(m,n)+reshape(1:a,[1 1 a]),[m n*a]);
A
A = 3×8
1 1 2 2 3 3 4 4 1 1 2 2 3 3 4 4 1 1 2 2 3 3 4 4
B = reshape(permute(reshape(A,[m n a]),[1 3 2]),[m*a n])
B = 12×2
1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 4 4

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