ti., 17.08.2010 kl. 01.14 -0600, skrev Aaron S. Meurer:
> Well, here's the problem with the spaceless option:
>
> >>> var('ab cd ef')
> (ab, cd, ef)
> >>> var('ab cd')
> (ab, cd)
> >>> var('ab')
> (a, b)
This one has bitten me many times. It would be great to make it more
consistent.
Øyvind
>
> So definitely symbols() should not do each_char by default.
>
> On Aug 17, 2010, at 12:44 AM, smichr wrote:
>
> > Mateusz has made changes in polys11 to make symbols behave like var; I
> > have submitted a patch 1919 on Vinzent's suggestion in the same issue
> > to make var behave like symbols. Which way should it go?
> >
> > var('abc') -> injects abc or a, b, c?
> >
> > I personally like to be able to quickly make a few variables so prefer
> > the spaceless option. Of course with Mateusz's change you can still
> > type var(list('abc')) but then you are gettting away from the
> > painlessness of it.
>
> Remember that var() is strictly for use in the interpreter. In that case,
> you can also do
>
> from sympy.abc import *
>
> which is also pretty easy to type, and gets everything for you.
>
> Aaron Meurer
>
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