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Maintain shape of logical index mask

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Garima Sharma
Garima Sharma 2017-6-12
评论： Garima Sharma 2017-6-13
I have a matrix A=[1,2,3;4,5,6]. From this, I want to remove (by row), z=[1,5], to return the matrix B=[2,3;4,6]. I'm trying to use logical indexing to do this, but that returns a vector instead of the matrix B.
if true
B=A(A~=z(:,1))
end

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Andrei Bobrov
Andrei Bobrov 2017-6-12
编辑：Andrei Bobrov 2017-6-12
Aout = A';
Aout = reshape(Aout(Aout ~= z(:)'),[],2)';
or
Aout = A';
Aout = reshape(Aout(~ismember(Aout,z)),[],2)';

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