Finding closest point to a NaN value

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Johan
Johan 2012 年 7 月 12 日
Hi!
I'm having a matix whith numbers and NaN values. I'm having some problems finding the closes number to a NaN value, i Have used knnsearch and dsearchn, they both works good if it finding closest number to number but from NaN-point to number, the result is just NaN. Is there anyone who can help me? BR Johan
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the cyclist
the cyclist 2012 年 7 月 12 日
Is 14 closer to NaN, or is 37 closer? What about -14? Or infinity?
(In other words, what do you mean by "close" to something that, by construction, is Not-A-Number?)

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