On Mon, Mar 3, 2008 at 8:36 AM, Stavros Macrakis <macrakis at alum.mit.edu> wrote:
> I must be missing something here. Why is derivace sometimes linear
> and sometimes not?
Well, I think the goal is to reimplement the rules for derivatives,
but under control of the user, so that only one rule is applied
at a time.
A rule for linearity could also be constructed via defrule,
in which case the declare(..., linear) and remove(..., linear)
stuff isn't needed.
Robert