>>> (g(f(x))*Subs(Derivative(1, x), (x,), (1,))).diff(x) TypeError: object of type 'Derivative' has no len()
Simplifying the expression any further makes the error go away (for instance removing the call to g). What perplexes me is how unremarkable the expression is. What can cause the error? Any idea? -- 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.
