Comment #7 on issue 2130 by smi...@gmail.com: wrong limit http://code.google.com/p/sympy/issues/detail?id=2130
Perhaps the better fix is to make subs return NaN when it make a subs that leads to a an undefined state:
(1/x).subs(x, 0) -> NaN, not 1 tan(x).subs(x, pi/2) -> NaN What do you think? -- You received this message because you are subscribed to the Google Groups "sympy-patches" group. To post to this group, send email to sympy-patches@googlegroups.com. To unsubscribe from this group, send email to sympy-patches+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy-patches?hl=en.
