extract submatrix from a large matrix using loop

Dear friends, I have a matrix 1140 by 330. I have to split the matrix into 60 matrices with the size of 19*330 using a for loop. does any one know how to do that?

Answer 1

[Matt J]

You can use MAT2TILES ( Download ). For example,

A=rand(1140,330);
C=mat2tiles(A,[19,330]);

[Sophi gra]

if i want to calculate the correlation coefficient, does it calculate it seperately? I use corrcoef(C), and I got error!

[Matt J]

Yes, you can do

cellfun(@corrcoef,C,...)

Answer 2

[Andrei Bobrov]

A=rand(1140,330);
out = permute(reshape(A',size(A,2),60,[]),[2,1,3]);

Answer 3

[Guillaume]

Use mat2cell

 m = rand(1140, 330); %demo matrix
 splitm = mat2cell(m, ones(1, 60) * 19, 330)