There was another similar thread a few days ago, with a little more information. It would actually not be difficult to get this working naturally (famous last words).
There is quite an old ticket already out for this (#1975, see http://trac.sagemath.org/sage_trac/ticket/1975). John On May 3, 9:34 am, Jeroen Demeyer <jdeme...@cage.ugent.be> wrote: > Hello sage-support, > > I wonder if there is a way to make Sage compute with points on elliptic > curves over rings which are not fields. I would like to use it for a > very simple implementation of the ECM factoring algorithm for > educational purposes. The obvious doesn't work: > > ---------------------------------------------------------------------- > | Sage Version 4.4, Release Date: 2010-04-24 | > | Type notebook() for the GUI, and license() for information. | > ---------------------------------------------------------------------- > sage: R = Zmod(59*101) > sage: E = EllipticCurve(R, [4,1]) > sage: P = E([0,1]) > --------------------------------------------------------------------------- > NotImplementedError > [...] > > Thanks, > Jeroen Demeyer. > > -- > 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 > athttp://groups.google.com/group/sage-support > URL:http://www.sagemath.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 URL: http://www.sagemath.org