On Friday, 9 December 2011 04:25:23 UTC+8, Jeroen Demeyer wrote: > > On 2011-12-08 20:16, Mike Hansen wrote: > > e[3,2,1] represents the product e[3]*e[2]*[1]: > As far as I can tell, this is nowhere mentioned in the documentation. >
well, this is standard in the symmetric functions business. e_\lambda is defined for any partition \lambda in this way. > Certainly not in the obvious places. > > > sage: e[3]*e[2]*e[1] > > e[3, 2, 1] > It would be nice to be able to expand e[3,2,1] into a polynomial > e3*e2*e1, for example for expressing symmetric functions of the roots of > a polynomial in terms of the coefficients of that polynomial. > Hmm, not sure I understand what you are asking for. sage: e[3,2,1]==e[3]*e[2]*e[1] True Dima -- 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
