[sage-combinat-devel] Re: Import error using recusive trees

2015-02-11 Thread Travis Scrimshaw
Hey Henrik, You might also be interested in these tickets on some combinatorial Hopf algebras: http://trac.sagemath.org/ticket/13793 http://trac.sagemath.org/ticket/13855 Best, Travis On Wednesday, February 11, 2015 at 3:40:49 AM UTC-8, Henrik Sperre Sundklakk wrote: > > Oh, thanks. That s

[sage-combinat-devel] Re: Import error using recusive trees

2015-02-11 Thread Henrik Sperre Sundklakk
Oh, thanks. That seems to be just what I need. I should perhaps explain what I want to do: In my master's thesis I work to automate parts of the analysis of numerical methods through B-series. This fall I wrote some pure Python code to perform some of the more basic calculations. I had some Mapl

[sage-combinat-devel] Re: Import error using recusive trees

2015-02-10 Thread Frédéric Chapoton
Hello, And it fact, something like Butcher series is also waiting in ticket #15635 This depends of course on #11529, which is currently blocked by ticket #10194 I have tried to work on #10194, but the author has not answered my questions so far. If somebody in his university could ask him to