How to remove some values in a matrix?

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ruik zhang 2018-7-28

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https://ww2.mathworks.cn/matlabcentral/answers/412538-how-to-remove-some-values-in-a-matrix

评论： ruik zhang 2018-7-28

采纳的回答： Walter Roberson

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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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采纳的回答

Walter Roberson 2018-7-28

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mask = A(:,1) >= 60 & A(:,1) <= 65 & A(:,2) >= 61 & A(:,2) <= 70;
B = A(mask,:);

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ruik zhang 2018-7-28

Appreciated and it works well.

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