On Sep 18, 2011, at 21:25 , Stéfan van der Walt wrote: > On Sun, Sep 18, 2011 at 9:48 AM, Keith Hughitt <keith.hugh...@gmail.com> > wrote: >> 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 > > I'm guessing that np.ma.array implements its own std function, but I > haven't checked.
It does. np.std tries first to call the .std method of the input argument. _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
