2009/1/23 Harald Geyer <harald at lefant.net>:
> Well, if you just need to minimize the total number of operations,
> then I think factor() is all you need. If you want to introduce some
> metric (ie. + has cost 1, * has cost 2, power has cost 5) then this
> can be done too but it is some work...
It would be enough to just minimize the count of the operations. But
factor() only does this for factors of the whole expression, so it
doesn't do what I need in something like a*b*c+b*c*d+a
I consider writing a python script for this task.