On Sun, 10 Oct 2010 17:53:49 -0700 (PDT) kcrisman <kcris...@gmail.com> wrote:
> > It looks like the top level binomial() function is a mess already. > > > > - binomial does not accept variable when only in the lower argument > > http://trac.sagemath.org/sage_trac/ticket/9634 > > > > - binomial does not accept float > > http://trac.sagemath.org/sage_trac/ticket/9633 > > Oh, yes - several of us have tried to make it work better with various > input, but likely it could be completely rewritten at this point. > <snip> > > Replacing the top level binomial function with the symbolic one > > defined in sage.functions.other should provide an easy fix for all > > these problems. I wonder if it effects the speed too much. > > I couldn't figure out how to do this at the time, but certainly this > was a goal in some earlier revisions. No matter how I imported it, > the arith.py one is the one that would show up, but this would be a > great goal. I uploaded a patch at #9634 which does this: http://trac.sagemath.org/sage_trac/attachment/ticket/9634/trac_9634-symbolic_binomial.patch There are still some issues that need work (see [1]), but this should provide a good start. [1] http://trac.sagemath.org/sage_trac/ticket/9634#comment:2 Cheers, Burcin -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
