derivative treats all parameters in the definition of a function as constant. Suppose some of them are themselves unknown functions of the variable. I would like a procedure Derivative which accepts a list of these parameters and returns an appropriate expression. For example, if f(t)=a(t)*b(t)*c where a and b are unknown functions of t, I want Derivative(f(t),t,[a,b]) to return (da(t)*b(t)+a(t)*db(t))*c I have tried various things using the existing derivative procedure, but nothing that works Any suggestions would be welcome. Thanks
-- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/52cb4ab6-e77d-42d2-9ea2-605ccc9bb6b8%40googlegroups.com.
