On Tuesday, 19 January 2016 17:22:52 UTC, kcrisman wrote: > > >> As Dima mentions, the relevant functionality is coming from Maxima in >> this case. Maxima does have a flag you can set to let it try to expand >> bessel functions into elementary functions, see >> http://maxima.sourceforge.net/docs/manual/maxima_15.html#SEC80 >> It's not directly exposed in sage, but with some obscure code you can >> activate it: >> >> sage: maxima_calculus("besselexpand:true") >> true >> sage: sum(((-1)^n)*((x)^(2*n+1))/factorial(2*n+1),n,0,oo) >> sin(x) >> >> > > Thanks, Nils. As usual, the question becomes whether this should > "automagically" happen in Sage for certain simplifications... >
perhaps a part of simplify_full() ? -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
