On Tue, Jul 7, 2009 at 8:50 AM, Robert Dodier<robert.dod...@gmail.com> wrote: > > On Jul 6, 6:16 am, Burcin Erocal <bur...@erocal.org> wrote: > >> I'm reluctant to expose this functionality by default in Sage, since >> Maxima returns wrong results for certain input: >> >> http://trac.sagemath.org/sage_trac/ticket/3587#comment:9 > > Looks like the problems mentioned there have been fixed in CVS. > > (%i5) simplify_sum ('sum (binomial (n, k), k, 0, n)); > (%o5) 2^n > (%i6) simplify_sum ('sum (binomial (n, k), k, 1, n)); > (%o6) 2^n-1 > (%i7) simplify_sum ('sum (binomial (n, k), k, 2, n)); > (%o7) 2^n-n-1 > (%i8) simplify_sum ('sum (binomial (n, k), k, 2, n - 2)); > (%o8) 2^n-2*n-2 > > Or is that wishful thinking on my part? > > FYI the Maxima 5.19 branch is scheduled for Aug 1 > with an official release later in the month. > > Robert Dodier
Awesome! William --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
