On Wed, May 13, 2009 at 11:54 PM, Robert Bradshaw wrote: > > This is because the branch in which the positive real root is real is > taken. We're opting for continuity and consistency with complex numbers. >
If I wrote: sage: ComplexField(53)(-2.0)^(1/3) 0.629960524947437 + 1.09112363597172*I that looks ok to me, but sage: RealField(53)(-2.0)^(1/3) 0.629960524947437 + 1.09112363597172*I looks very strange. Could you explain the advantage? --~--~---------~--~----~------------~-------~--~----~ 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 URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
