Updates: Labels: -WrongResult Comment #6 on issue 2213 by asmeurer: Derivative of Sum http://code.google.com/p/sympy/issues/detail?id=2213
Sorry, 0 is right, because x is a dummy variable. So now I don't know. Chris, is there still stuff to do with this? -- You received this message because you are subscribed to the Google Groups "sympy-issues" group. To post to this group, send email to sympy-issues@googlegroups.com. To unsubscribe from this group, send email to sympy-issues+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy-issues?hl=en.