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How to remove all rows with the same (specific) elements

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Sean
Sean 2014-7-2
评论： Sean 2014-7-2
If I have a, say 20x2 matrix, and I want to remove all rows with the entry 0 (column 1), 0 (column 2), how might I do that (and I want to be able to do it without having prior knowledge of the specific locations)?
M=[ 2 2
1 3
5 7
1 2
0 0
1 2
0 0 ]

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Mischa Kim
Mischa Kim 2014-7-2
Sean, you could use something like
M(~any(M,2),:) = [];

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