Ask Your Question

Revision history [back]

I would agree that this is not implemented in Sage but I would disagree that it can be defined as a "simple combination of the usual derivatives". In particular it is necessary to consider the chain-rule. I have a prototype implementation in FriCAS (Axiom) that does this. In that context I am interested in collaboration and critical review.

From the point of view of complex analysis you might also want to look up references to polygenic functions, e.g. Kasner