ASKSAGE: Sage Q&A Forum - Latest question feedhttps://ask.sagemath.org/questions/Q&A Forum for SageenCopyright Sage, 2010. Some rights reserved under creative commons license.Tue, 28 May 2013 05:16:57 -0500Birational Transformationhttps://ask.sagemath.org/question/10161/birational-transformation/How do I apply a birational transformation x --> 1/x, then clear the denominators. Is there a way I could do that in SAGE?
x, y = QQ['x,y'].gens()
C = Curve(x^2+y^2)
# the code I'm looking for here
$x^2 + y^2 \mapsto 1/x^2 + y^2 \mapsto 1/x^2 + x^2y^2/x^2 \mapsto 1 + x^2y^2$guissmoTue, 28 May 2013 05:16:57 -0500https://ask.sagemath.org/question/10161/