On 30/08/11 14:59, MathLynx wrote:
(1) How does one define a field of rational functions in several variables? QQ[x,y] gives me the ring of polynomials in x& y over QQ, but 2*x/y is not in this ring.
R.<x,y>=PolynomialRing(QQ) K=R.fraction_field() HTH Alastair -- 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 URL: http://www.sagemath.org
