Re: Issue 1766 in sympy: expand(power_base=True) is too aggressive

Updates: Labels: NeedsReview Comment #45 on issue 1766 by smichr: expand(power_base=True) is too aggressive http://code.google.com/p/sympy/issues/detail?id=1766 I think I am seeing the light at the end of the tunnel...this has been a pandora's box of an issue. Here's where things s

Re: Issue 1816 in sympy: Adding partial derivatives and taking derivatives with respect to functions

Comment #1 on issue 1816 by asmeurer: Adding partial derivatives and taking derivatives with respect to functions http://code.google.com/p/sympy/issues/detail?id=1816 This is probably related to issue 1660. The solution posted there is just a quick fix though. I think we need issue 1620 t

Re: Issue 1660 in sympy: [PATCH] derivatives of composed functions should not evaluate to a derivative in terms of a function

Updates: Blockedon: 1620 Comment #6 on issue 1660 by asmeurer: [PATCH] derivatives of composed functions should not evaluate to a derivative in terms of a function http://code.google.com/p/sympy/issues/detail?id=1660 (No comment was entered for this change.) -- You received this mess

Re: Issue 1620 in sympy: Allow derivatives of unknown functions evaluated at a point

Issue 1620: Allow derivatives of unknown functions evaluated at a point http://code.google.com/p/sympy/issues/detail?id=1620 This issue is now blocking issue 1660. See http://code.google.com/p/sympy/issues/detail?id=1660 -- You received this message because you are listed in the owner or CC fiel

Re: Issue 1803 in sympy: Problems sympy.solve Polynomials greater than 4

Comment #10 on issue 1803 by fredrik.johansson: Problems sympy.solve Polynomials greater than 4 http://code.google.com/p/sympy/issues/detail?id=1803 Could you please share the exact code you executed to get poly.nroots stuck? Without that information, it will be difficult to fix the proble

Re: Issue 1803 in sympy: Problems sympy.solve Polynomials greater than 4

Comment #9 on issue 1803 by alejandrodelpalacioparedes: Problems sympy.solve Polynomials greater than 4 http://code.google.com/p/sympy/issues/detail?id=1803 Hello: Thanks for answering; yes in fact i am transferring my code from Matlab to Python because with Python is simple to comunicate

Issue 1816 in sympy: Adding partial derivatives and taking derivatives with respect to functions

Status: New Owner: Labels: Type-Defect Priority-Medium New issue 1816 by Yohumbus: Adding partial derivatives and taking derivatives with respect to functions http://code.google.com/p/sympy/issues/detail?id=1816 What I have been trying to do is construct a lagrangian and perform the Eule

Re: Issue 1803 in sympy: Problems sympy.solve Polynomials greater than 4

Comment #8 on issue 1803 by asmeurer: Problems sympy.solve Polynomials greater than 4 http://code.google.com/p/sympy/issues/detail?id=1803 It is a very deep result that polynomials of degree greater than 4 cannot be solved by radicals in a general manner. The best way to understand it is t

Re: Issue 1725 in sympy: Implement switch manager for expand() and possibly others

Comment #19 on issue 1725 by Vinzent.Steinberg: Implement switch manager for expand() and possibly others http://code.google.com/p/sympy/issues/detail?id=1725 I've profiled the latest version of branch 1766[...] So he did test the whole branch. -- You received this message because you are

Issue 1815 in sympy: shift operator

Status: Accepted Owner: smichr Labels: Type-Defect Priority-Medium New issue 1815 by smichr: shift operator http://code.google.com/p/sympy/issues/detail?id=1815 In discussion http://groups.google.com/group/sympy/browse_thread/thread/214eaae150fc08a/e91b563a8ce01347?lnk=gst&q=shift+operator#e91b

Re: Issue 1803 in sympy: Problems sympy.solve Polynomials greater than 4

Comment #7 on issue 1803 by alejandrodelpalacioparedes: Problems sympy.solve Polynomials greater than 4 http://code.google.com/p/sympy/issues/detail?id=1803 Hello again: Also, i have tested poly.nroots with a quite complicated polynomial, and Python is unable to find a solution, moreover,

Re: Issue 1803 in sympy: Problems sympy.solve Polynomials greater than 4

Comment #6 on issue 1803 by alejandrodelpalacioparedes: Problems sympy.solve Polynomials greater than 4 http://code.google.com/p/sympy/issues/detail?id=1803 Hello: Thanks for your answers, i have tested the first solution with another polynomials and it works, although , like you said in t