how to calculate max and mean for big matrix 10*155 but i need to pick the value after coloumn 50?

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Do i need to create a new matrix and input all value from col 50 to 155? or i can do it in some other ways but not to make new matrix?

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Mischa Kim
Mischa Kim 2014-2-28
编辑:Mischa Kim 2014-2-28
Benjamin, use
max_mat = max(mat(:,51:end),[],2)
mean_mat = mean(mat(:,51:end),2)
assuming you want to compute max and mean for each row.

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