Hi, I have another question. I have got the expression,
a^2*x^4+b*x^4+c*x+d*y*x^4...(many items) I want to get the coefficient of all the x,x^2,x^3,x^4.... here for x^4 is (a^2+b+d*y...) how can I get it? Thanks in advance! YC Xu --~--~---------~--~----~------------~-------~--~----~ 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 URL: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---