Interesting. It works as expected when called as a method: In [10]: x = np.ma.array([[1,2,3]])
In [11]: x.std() Out[11]: 0.81649658092772603 but not for my class: In [14]: aia.std() Out[14]: AIAMap(292.4342470467856) In [15]: np.std(aia) Out[15]: AIAMap(292.4342470467856) In [16]: np.array(aia).std() Out[16]: 292.43424704678557 Keith 2011/9/18 Stéfan van der Walt <ste...@sun.ac.za> > On Sun, Sep 18, 2011 at 9:09 AM, Keith Hughitt <keith.hugh...@gmail.com> > wrote: > > I'm sure it is simply a coding error on my part, but so far I havne't > been > > able to track it down. > > I don't think it's something you've done wrong. See e.g.: > > In [9]: x = np.ma.array([[1,2,3]]) > > In [10]: np.std(x, axis=0) > Out[10]: > masked_array(data = [0.0 0.0 0.0], > mask = [False False False], > fill_value = 1e+20) > > Regards > Stéfan > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion >
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