find x subjected to some limit.

Question

Andrea 2012-5-30

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/39860-find-x-subjected-to-some-limit

采纳的回答： Thomas

I want to to find a<=x<b and c<=y<d in a matrix. But simply I can't. I would appreciate if you help me.

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Answer 1

Thomas 2012-5-30

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https://ww2.mathworks.cn/matlabcentral/answers/39860-find-x-subjected-to-some-limit#answer_49496

在 MATLAB Online 中打开

This might be what you need

 q=rand(3,3);    % generate 3x3 random matrix
 a=0.1; b=0.3; c=0.5;d=0.9;  %values of a b c and d
 x=q(q>a&q<b)   % to find value greater than a and less than b in matrix q
 y=q(q>c&q<d)   % to find value greater than c and less than d in matrix q

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Andrea 2012-5-30

Thanks, but more specifically I want to have some part of q that has (x=>a&x<b &y=>c&y<d). I mean each array in q has an x and y, so I want to select q according to (x=>a&x<b &y=>c&y<d) and put them in a new matrix. Would you please help me?

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