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How to deal with this

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dav 2013-3-13

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采纳的回答： Walter Roberson

Hi,

I have a large matrix that is generated in a simulation.

I have noticed that some of the columns are NAN (entire column).

Is there a way to

1) get the number of columns with NAN

2) delete the columns with NAN values

Thanks

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Walter Roberson 2013-3-13

You are not generating code. Please read the guide to tags and retag this question. http://www.mathworks.co.uk/matlabcentral/answers/43073-a-guide-to-tags

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采纳的回答

Walter Roberson 2013-3-13

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https://ww2.mathworks.cn/matlabcentral/answers/66964-how-to-deal-with-this#answer_78424

在 MATLAB Online 中打开

find( any(isnan(YourMatrix)) )

and

YourMatrix(:, any(isnan(YourMatrix))) = [];

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