On Sun, Apr 25, 2010 at 16:17, Robert Kern <robert.k...@gmail.com> wrote: > On Thu, Apr 22, 2010 at 16:23, Bruce Southey <bsout...@gmail.com> wrote: >> On 04/21/2010 02:45 PM, Robert Kern wrote: >>> On Wed, Apr 21, 2010 at 10:34, Bruce Southey<bsout...@gmail.com> wrote: > >>>> If the sum of axis to be removed equals zero then you can conditionally >>>> remove that axis. >>>> >>> No. Negative numbers can cancel out positive numbers. >>> >> In such cases you can use the sum of the absolute value of the array or >> the sum of a suitability constructed boolean indicator for the selected >> axis. In the case of floating point dtypes, compare it to a value near >> zero rather than exactly zero. > > Or you can use numpy.nonzero(...).any().
Or really just .any(). -- Robert Kern "I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth." -- Umberto Eco _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
