Status: New Owner: ---- Labels: Type-Defect Priority-Medium New issue 1655 by renato.c...@gmail.com: derivative of complex conjugate evaluates to derivative in terms of a function http://code.google.com/p/sympy/issues/detail?id=1655
In [1]: Derivative(conjugate(f(x)), x) Out[1]: d ⎛⎽⎽⎽⎽⎞ ──⎝f(x)⎠ dx In [2]: Derivative(conjugate(f(x)), x, **{'evaluate': True}) Out[2]: d ⎛⎽⎽⎽⎽⎞ d ─────⎝f(x)⎠⋅──(f(x)) df(x) dx In [3]: Derivative(conjugate(f(x)), x, **{'evaluate': True}).doit() ... ValueError: Invalid literal: f(x) is not a valid variable Instead of evaluating to D(conjugate(f), f) * D(f, x), it should give conjugate(D(f, x)). -- You received this message because you are listed in the owner or CC fields of this issue, or because you starred this issue. You may adjust your issue notification preferences at: http://code.google.com/hosting/settings --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---