[Numpy-discussion] Indexing with callables (was: Yorick-like functionality)

Robert Kern robert.kern@gmail....
Mon May 18 17:22:35 CDT 2009


On Mon, May 18, 2009 at 13:23, Pauli Virtanen <pav@iki.fi> wrote:
> Mon, 18 May 2009 09:21:39 -0700, David J Strozzi wrote:
> [clip]
>> I also like pointing out that Yorick was a fast, free environment
>> developed by ~1990, when matlab/IDL were probably the only comparable
>> games in town, but very few people ever used it.  I think this is a case
>> study in the triumph of marketing over substance.  It looks like num/sci
>> py are gaining enough momentum and visibility.  Hopefully the numerical
>> science community won't be re-inventing this same wheel in 5 years....
>
> Well, GNU Octave has been around about the same time, and the same for
> Scilab. Curiously enough, first public version >= 1.0 of all the three
> seem to have appeared around 1994. [1,2,3] (Maybe something was in
> the air that year...)
>
> So I'd claim this particular wheel has already been reinvented pretty
> thoroughly :)

It's worth noting that most of numpy's indexing functionality was
stol^H^H^H^Hborrowed from Yorick in ages past:

  http://mail.python.org/pipermail/matrix-sig/1995-November/000143.html

-- 
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


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