>an example of errors that I obtain is: I build a matrix (SciPy array) using
>the same data.
>I search for the maximum and the minimum with the given function and I insert
>the two values in a tuple that I print.
>sometimes it print to me this: (0.0, 3.1926676650124463e-14)
>sometimes it print to me: (nan, nan)
>
>That looks like in may be a scipy issue rather than core Python.
We do have some SciPy users who may be able to help, but it
would be easier if they could see the function and calling code
you are using.
Also you may get better help on the scipy mailing list/web fora.
Alan G.
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