Special selecting rows of a matrix

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mr mo 2017-12-18

评论： mr mo 2017-12-19

Hi. I have a matrix of size m*n.

I want to select those rows of this matrix that their value in 10th column are between 10 to 12.

How can I do that?

Thanks a lot.

Roger Stafford 2017-12-18

编辑：Roger Stafford 2017-12-18

Let M be the given matrix. Then do this:

p = (1:size(M,1)).';
p = p(M(:,10)<=12&M(:,10)>=10);

p will be a column vector consisting of the row indices of all rows in M in which the element of the 10th column lies between 10 and 12.

mr mo 2017-12-19

Thanks a lot.

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