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How to remove zero sum row from matrix

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Vishal Sharma
Vishal Sharma 2017-1-24
回答： Andrei Bobrov 2017-1-24
A=[1 2 3 4 5 6;
0 0 1 1 0 1;
0 0 1 0 1 0]
Sum of second and third row if equal to zero, then in new matrix that column is to be excluded. So, the result shall be
A=[3 4 5 6;
1 1 0 1;
1 0 1 0]

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采纳的回答

the cyclist
the cyclist 2017-1-24
编辑：the cyclist 2017-1-24
colToRemove = sum(A(2:end,:))==0;
A(:,colToRemove) = [];

更多回答（2 个）

Roger Stafford
Roger Stafford 2017-1-24
A = A(:,(A(2,:)+A(3,:)~=0));
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Vishal Sharma
Vishal Sharma 2017-1-24
Thanks Roger Stafford,,, if there are n rows, please also suggest answer...

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Andrei Bobrov
Andrei Bobrov 2017-1-24
A = A(:,sum(A(2:end,:))~=0);

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