Using ind2sub in two different arrays

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Angela 2018-9-13

评论： Angela 2018-9-14

I have two arrays and i want to exclude the zeros from the first array(A) and then take the equivalent indices from array B.

 A=[0 1 2; 2 1 4; 0 1 5];
 B=[1 2 3; 2 4 2; 2 3 5];
 [X,Y]=ind2sub(size(A),find(A>0))
 Anew=A(X,Y)
 Bnew=B(X,Y)

The result of the above is not what i want, Anew and Bnew are now larger than before. What am i doing wrong?

Matt J 2018-9-13

编辑：Matt J 2018-9-13

This is not a situation that calls for ind2sub,

idx=(A~=0);
Anew=A(idx),
Bnew=B(idx),

Angela 2018-9-14

Thank you!

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