On Thu, Aug 6, 2009 at 9:18 AM, Robert Kern<robert.k...@gmail.com> wrote: > On Thu, Aug 6, 2009 at 11:15, Keith Goodman<kwgood...@gmail.com> wrote: >> thanksOn Thu, Aug 6, 2009 at 9:07 AM, Robert Kern<robert.k...@gmail.com> >> wrote: >>> On Thu, Aug 6, 2009 at 11:03, Keith Goodman<kwgood...@gmail.com> wrote: > >>>>>> pylab.demean?? >>>> Type: function >>>> Base Class: <type 'function'> >>>> String Form: <function demean at 0x3c5c050> >>>> Namespace: Interactive >>>> File: /usr/lib/python2.6/dist-packages/matplotlib/mlab.py >>>> Definition: pylab.demean(x, axis=0) >>>> Source: >>>> def demean(x, axis=0): >>>> "Return x minus its mean along the specified axis" >>>> x = np.asarray(x) >>>> if axis: >>>> ind = [slice(None)] * axis >>>> ind.append(np.newaxis) >>>> return x - x.mean(axis)[ind] >>>> return x - x.mean(axis) >>> >>> Ouch! That doesn't handle axis=-1. >>> >>> if axis != 0: >>> ind = [slice(None)] * x.ndim >>> ind[axis] = np.newaxis >> >> Hey, didn't you warn us about the dangers of "if arr" the other day? > > Yes, but actually that wasn't quite the problem. "if axis:" would have > been fine, if a bit obscure, as long as the body was fixed to not > expect axis>0.
Oh, of course. Thanks for pointing that out. Now I can fix a bug in my own code. _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
