On Saturday, March 21, 2015 at 12:15:34 PM UTC+5:30, Kalevi Suominen wrote: > > > > On Saturday, March 21, 2015 at 3:40:07 AM UTC+2, Luv Agarwal wrote: >> >> I have added the implementation details of few functions in the draft >> <https://github.com/sympy/sympy/wiki/GSoC-2015-Application-Luv-Agarwal:-Cylindrical-Algebraic-Decomposition> >> . >> >> How can I implement refine_root (and dup_isolate_real_roots_sqf) for >> polynomials over algebraic numbers? >> > > One would need a method for determining the sign of an algebraic number. > Those in AlgebraicField (is_positive, > is_negative, ...) are not suitable for this purpose. > Thanks, I looked at them. While reading the code of rootisolation
-- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/a0bef6bb-5b4b-4d74-89bb-447bea777333%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
