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Help with matrix manipulation in matlab

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aurc89
aurc89 2014-9-9
评论： aurc89 2014-9-9
I have a matrix M with dimension 600x500. I want to do an average of its values along vertical direction, in order to have a matrix with smaller dimension. For example, I want to obtain a matrix with dimension 200x500: this means that, every three values along each column, I take just one (which is the average of the three values). How can I do this ? Thanks!

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Andrei Bobrov
Andrei Bobrov 2014-9-9
编辑：Andrei Bobrov 2014-9-9
out = squeeze(mean(reshape(M,3,[],size(M,2))));

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