Re: Issue 1475 in sympy: New implementation of .eval in trigonometric functions, implementing sec, csc

2011-09-17 Thread sympy
Updates: Owner: someb...@bluewin.ch Comment #8 on issue 1475 by asmeurer: New implementation of .eval in trigonometric functions, implementing sec, csc http://code.google.com/p/sympy/issues/detail?id=1475 Thanks! I've added you as a project member in Google Code, so you can now edit

Re: Issue 2555 in sympy: Wrong result from residue

2011-09-17 Thread sympy
Comment #4 on issue 2555 by asmeurer: Wrong result from residue http://code.google.com/p/sympy/issues/detail?id=2555 residue() also is wrong for expressions that behave a little nicer than this. For example: In [36]: expr = exp(z)/(z - pi*I/4*a)**n In [37]: residue(expr, z, I*pi*a/4)

Re: Issue 2555 in sympy: Wrong result from residue

2011-09-17 Thread sympy
Comment #5 on issue 2555 by asmeurer: Wrong result from residue http://code.google.com/p/sympy/issues/detail?id=2555 Actually, perhaps it could always infer this from the series. In the case of exp(1/z), the series is just exp(1/z) (this could perhaps be considered a bug in series()). For