row elimination problem.

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Anurag Gupta
Anurag Gupta 2020-10-19
编辑： madhan ravi 2020-10-19
Hey
I have a matrix A of 34x2 double.
I want to eliminate the rows wherein the value of both the columns is 0.

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采纳的回答

madhan ravi
madhan ravi 2020-10-19
A(all(A == 0, 2), :) = [ ]
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madhan ravi
madhan ravi 2020-10-19
编辑：madhan ravi 2020-10-19
What?
>> A = [1,2; 0,0]
A(all(A == 0, 2), :) = [ ]
A =
1 2
0 0
A =
1 2
>>
Anurag Gupta
Anurag Gupta 2020-10-19
编辑：madhan ravi 2020-10-19
Hello Madhan,
Extremely sorry I actually made an error earlier in the loop which lead to me not getting the right answer. Thanks a lot for the solution. It worked perfectly.
Regards,
Anurag Gupta

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更多回答（1 个）

Asad (Mehrzad) Khoddam
A(all(A(:,1:2)==0,2),:)=[];
  2 个评论
madhan ravi
madhan ravi 2020-10-19
How’s this different from my answer?
Asad (Mehrzad) Khoddam
Asad (Mehrzad) Khoddam 2020-10-19
I didn't refresh the web page and the time I submitted the answer, there was no anwser to this question.

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