On Sat, Apr 18, 2009 at 6:55 PM, William Stein <wst...@gmail.com> wrote: >>> First problem with QQbar: it seems that resultant() doesn't like it, >>> because it is not able to convert it to a Singular ring (this is the >>> error, I'm not attaching all the output, tell me if you need it) >>> >>> TypeError: no conversion of this ring to a Singular ring defined >> >> Looks like this hasn't been implemented yet. > > I think Singular doesn't have QQbar as a base ring, so I don't think > this is likely to be implemented for a while.
Well, we just need a resultant algorithm that doesn't go through Singular. I'm planning to write such a thing as part of my cylindrical algebraic decomposition implementation sometime in the next few months. Carl --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
