finding NON in matrix

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rahman
rahman 2011-5-24
Hi all In the matrix A which is 1*N matrix, I want to recognize if there is any element equal to NON in it,I replace it by zero.How can I do that?
  2 个评论
Sean de Wolski
Sean de Wolski 2011-5-24
Do you mean NaN?
rahman
rahman 2011-5-24
Oops!!
that a really big mistake!
yes, NON means NaN ;)

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采纳的回答

Laura Proctor
Laura Proctor 2011-5-24
I'm going to assume that you mean NaN. You can use the ISNAN function to find and replace the NaNs in your code. Here's an example:
A = randn(1,100);
A([2,10,23,47,88]) = NaN;
A(isnan(A)) = 0;

更多回答（1 个）

Sean de Wolski
Sean de Wolski 2011-5-24
A(isnan(A)) = 0;

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