Ah yes, I do think it would make sense for simplify to call doit. Aaron Meurer
On Jun 21, 2012, at 9:02 AM, "[email protected]" <[email protected]> wrote: > I see. How about then making simplify() call doit() on Subs() > >>>> simplify(x0*Derivative(f(x0, y0), y0) - x0*Subs(Derivative(f(x0, _xi_2), >>>> _xi_2), (_xi_2,), (y0,))) > nothing changes > > >>>> (x0*Derivative(f(x0, y0), y0) - x0*Subs(Derivative(f(x0, _xi_2), _xi_2), >>>> (_xi_2,), (y0,))).doit() > returns 0 as it should > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/sympy?hl=en. > -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
