On Sat, Feb 23, 2013 at 1:33 PM, Robert Kern <robert.k...@gmail.com> wrote:
> On Sat, Feb 23, 2013 at 7:25 PM, Nathaniel Smith <n...@pobox.com> wrote: > > On Sat, Feb 23, 2013 at 3:38 PM, Till Stensitzki <mail.t...@gmx.de> > wrote: > >> Hello, > >> i know that the array object is already crowded, but i would like > >> to see the abs method added, especially doing work on the console. > >> Considering that many much less used functions are also implemented > >> as a method, i don't think adding one more would be problematic. > > > > My gut feeling is that we have too many methods on ndarray, not too > > few, but in any case, can you elaborate? What's the rationale for why > > np.abs(a) is so much harder than a.abs(), and why this function and > > not other unary functions? > > Or even abs(a). > Well, that just calls a method: In [1]: ones(3).__abs__() Out[1]: array([ 1., 1., 1.]) Which shows the advantage of methods, they provide universal function hooks. Chuck
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