... > other is f(y) = f(2*x**2). > > So I think that when I change the independent variable like this, I > should also change the name of the function. What would be the best > way to do that?
The whole thing or just this: >>> f(x).subs(f, g) g(x) >>> f(x).replace(f,g) g(x) >>> f(x).xreplace({f:g}) f(x) -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.