On Tuesday 15 May 2007 20:40, Michel wrote: > Here is a little backwards compatible patch that makes "fix" accept > keyword arguments and provide subs and substitute > as aliases. This is for compatibility with the corresponding methods > for symbolic expressions. > > http://emis.uhasselt.be/sage_patches/subs_substitute.patch > > Doctest: > > sage: x, y = MPolynomialRing(ZZ,2,'xy').gens() > sage: f = x^2 + y + x^2*y^2 + 5 > sage: f.substitute(x=5) > 30 + y + 25*y^2 > > Currently this is only implemented for (multi-)polynomials and not for > rational functions. If there is interest then > I can provide a subs/substitute method for rational functions also. > > Michel
I am applying your patch to my local copy right now as I working on MPolynomials right now (switching to libSINGULAR). Thanks! Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _www: http://www.informatik.uni-bremen.de/~malb _jab: [EMAIL PROTECTED] --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sage-devel" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel?hl=en -~----------~----~----~----~------~----~------~--~---
