I am trying to make some way through it. I am trying to implement a function that takes as input summation(f(x), (x, 1, k)) or something like that and returns f(x+1), because that's the output needed. This function will then replace finite_diff of sympy/sympy/series/kauers.py
Saurabh Jha On Sep 1, 9:51 pm, Aaron Meurer <asmeu...@gmail.com> wrote: > This also doesn't work well with expand() because the method would > have to be on Add to work. I think the best solution would be to > write a function that takes an expression with summations and tries to > combine them. > > Aaron Meurer > > > > > > > > On Thu, Aug 30, 2012 at 12:59 PM, Chris Smith <smi...@gmail.com> wrote: > > On Fri, Aug 31, 2012 at 12:41 AM, Aaron Meurer <asmeu...@gmail.com> wrote: > >> This doesn't really make sense as expansion, though. > > >> This is closely related to > >>http://code.google.com/p/sympy/issues/detail?id=2297. > > > If you expanded the sums you would obtain the single `f(x+1)`-like > > term. It's just a thought and `_basic` is suppose to be used for > > expansions that don't fit other categories...it's hardly used (if at > > all), however. > > > -- > > You received this message because you are subscribed to the Google Groups > > "sympy" group. > > To post to this group, send email to sympy@googlegroups.com. > > To unsubscribe from this group, send email to > > sympy+unsubscr...@googlegroups.com. > > For more options, visit this group > > athttp://groups.google.com/group/sympy?hl=en. -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
