[SciPy-user] How to get rid of nan and Inf
Johann Cohen-Tanugi
cohen at slac.stanford.edu
Sun Jun 15 13:36:04 EDT 2008
In [1]: import numpy
In [2]: numpy.nan_to_num?
Type: function
Base Class: <type 'function'>
String Form: <function nan_to_num at 0xb79a1844>
Namespace: Interactive
File: /usr/lib/python2.5/site-packages/numpy/lib/type_check.py
Definition: numpy.nan_to_num(x)
Docstring:
Returns a copy of replacing NaN's with 0 and Infs with large numbers
The following mappings are applied:
NaN -> 0
Inf -> limits.double_max
-Inf -> limits.double_min
JCT
Tim Gray wrote:
> nan_to_num() does this. I think it's somewhere in numpy.
>
> Makes Nan's -> 0's and infs -> machine limits.
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