On Sat, Feb 12, 2011 at 3:09 AM, Dox <o.castillo.felis...@gmail.com> wrote: > Hi again people! > Just wanted to know if the Levi-Civita tensor can be emulated by using this, > > sage: G = SymmetricGroup(4) > sage: G([4,2,3,1]).sign() > -1 > > because I'm not sure if the notation used in the documentation is equivalent > to mine!
Yes, you can use that to get the sign of a permutation which is used in the Levi-Civita tensor. --Mike -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
