How to remove some values in a matrix?

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ruik zhang
ruik zhang il 28 Lug 2018
Commentato: ruik zhang il 28 Lug 2018
Hello,
For example I have a matrix
[66 62;
64 70;
62 100];
In the first column, I just want keep those values between 60 and 65, in the second column, I want to keep the values between 61 and 70, if not those case, I want to delete those rows. namely the new matrix will be [64 70];

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Walter Roberson
Walter Roberson il 28 Lug 2018
mask = A(:,1) >= 60 & A(:,1) <= 65 & A(:,2) >= 61 & A(:,2) <= 70;
B = A(mask,:);

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