how can i separate those columns which have same number of rows (e.g. the highlighted ones with fixed 7 rows ) by excluding zeros?

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zhoug zho
zhoug zho 2021-6-3
评论： zhoug zho 2021-6-3
how can i separate those columns from the data arrays which have same number of rows (e.g. the highlighted ones with fixed 7 rows ) by excluding zeros?

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KSSV
KSSV 2021-6-3
编辑：KSSV 2021-6-3
Let A be your matrix.
B = A(:,sum(A>0)==7) ; % pick the required columns
iwant = B(sum(B,2)>0,:) ; % remove the zeros if any in rows
I have assumed that all the numbers are positive in A.

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