NaN in python and validity checking [duplicate]

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I'm doing a program where I optimize some values. Due to the equations, from time to time my values are NaN

My problem, some of the entries are NaN.

I would like to know if there is a test to check their logical validity so I can skip those values and retry.

So far I have tried checking for

a==np.nan, a==nan, b=a a==b

To no avail.

I hope you can help me

Thanks

python numpy nan

задан riza 16 May 2011 в 01:53

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python numpy nan