>>> p = DifferentialOperator(t) >>> a * p * f(t) Derivative(f(t), t)*a
p is a DifferentialOperator, when it multiply with some expression at right side, it calculates the derivative of the expression. -- 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. Visit this group at http://groups.google.com/group/sympy?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
