On Tue, Jul 21, 2009 at 9:37 AM, Ryan Hinton<iob...@email.com> wrote: > > Are Groebner bases for multivariate polynomials over the symbolic ring > supposed to work?
No, they are definitely not supposed to work. William > Here's what I get in Sage 4.0.1.rc2: > > sage: R2.<a,b> = SR[] > sage: I2 = [a*b+a, a*a] * R2 > sage: G2 = I2.groebner_basis() > verbose 0 (2247: multi_polynomial_ideal.py, groebner_basis) Warning: > falling back to very slow toy implementation. > --------------------------------------------------------------------------- > AttributeError Traceback (most recent call > last) > ... > AttributeError: 'MPolynomialRing_polydict' object has no attribute > 'monomial_divides' > sage: > > I probably don't have the understanding (or time) to fix this, but I > wanted to make sure I'm not doing something wrong. > > Thanks! > > - Ryan > > > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
