how can I extrapolate data for matrix

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Hussam Jabbar
Hussam Jabbar 2016-3-21
回答： Walter Roberson 2016-3-21
Hello everyone, I have a 715 by 715 matrix and part of it has data equal to zero ( which mean no values comes from experiment), I need to extrapolate data to fill this part. Could you tell me the best way to do that? the attached file is an example of the matrix.
Regards

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Walter Roberson
Walter Roberson 2016-3-21
There are a lot of different ways to interpolate or extrapolate. I recommend you look at John D'Errico's File Exchange contribution inpaint_nan

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