> It can do sqrt(-734/3), but fails on > sqrt(-244.6666666666667? + 0.?e-39*I) > for some reason. > > Dmitrii
It's worse than failing, it also changes the value: sage: x = polygen(QQbar) sage: f = 3*x^4 - 4*x^3 - 1046148*x^2 - 335575956*x - 30288853512 sage: rts = f.roots(multiplicities=False) sage: r1 = rts[1] sage: r1 -244.6666666666667? + 0.?e-39*I sage: r1.sqrt() ... AttributeError: 'sage.rings.real_mpfi.RealIntervalFieldElement' object has no attribute 'argument' sage: r1 -734/3 -- To post to this group, send an email to [email protected] To unsubscribe from this group, send an email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
