On Fri, 17 Apr 2009 11:14:13 +0100 Martin Albrecht <m...@informatik.uni-bremen.de> wrote:
> > Unfortunately, SuperCommutative isn't available in libsingular (yet, > > hint hint...). > > It seems the command is implemented as Singular script and not in C. Thus > until we have an interface to call Singular library code, there isn't much we > can do. However, IIRC Burcin worked on exposing whatever of PLURAL is > available in C. We worked on this with Michael Brickenstein at SD10. The patches are here: http://trac.sagemath.org/sage_trac/ticket/4539 If you look at the end of the second patch, you'll see this example: sage: from sage.rings.polynomial.plural import ExteriorAlgebra_plural sage: P = ExteriorAlgebra_plural(QQ, 3, 'x,y,z') sage: P("x")*P("y") x*y sage: P("y")*P("x") -x*y sage: P("x")*P("x") 0 Cheers, Burcin --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
