remove rows with all zeros

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Rahul
Rahul 2012-6-6
评论： Shishir Bapat 2021-3-11
I have
a =
1 2 3
0 0 0
2 1 0
4 5 0
0 0 0
2 0 1
I need
b=
1 2 3
2 1 0
4 5 0
2 0 1

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采纳的回答

Walter Roberson
Walter Roberson 2012-6-6
b = a(any(a,2),:);
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Mohamed Nedal
Mohamed Nedal 2019-12-20
Hi Walter,
Would you please explain this line?
b = a(any(a,2),:);

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Geoff
Geoff 2012-6-6
Search facility on Answers shows this question is asked a lot... Here's one of the more recent.
http://www.mathworks.com/matlabcentral/answers/40018-delete-zeros-rows-and-columns

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