> > - Generating functions. Start from an equation like > f(t) = sin(t) f'(t) + 1 > and then get information about f (behavior at infinity ? where are > the poles in the complex plane ? what are the coefficients of the > serie expansion ? what is there growth rate ?). There is a well known > maple package for that called gfun which is very powerful. >
There are a few different things to do here: 1) generating functions themselves, series expansions: this mainly depends on #16137 (hint, hint!) 2) closure properties of D-algebraic, D-finite, algebraic, rational functions and guessing: a lot of this was recently contributed by the Ore-package 3) asymptotics. Martin -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
