How to get diff to yield result in terms of original function






>> "Maxima could use a good representation of the
>> derivative of an arbitrary function".

> Yes.  I have some thoughts about what would be good and bad ways to
> do this, but they should probably wait for the Wiki.

I don't know what you all have in mind, but there is
pdiff (the positional derivative package); however,
pdiff doesn't directly yield a way to express a
derivative interms of itself.


Barton