--- Richard Fateman <fateman@cs.berkeley.edu> wrote:
> I do not understand how simpsum works in the maxima code, but
> Bill Gosper has improved this stuff substantially over the
> last 20 years in the commercial code. It is possible that
> you can sum things which have no INDEFINITE sum, and therefore
> NUSUM is the wrong approach.
Does he have papers out describing how he did it?
> As for Caruso's work, I think that anyone using maxima
> would necessarily be non-commercial because of the GPL.
> Has anyone asked him?
Actually, GPL software can be used for commercial work, and even sold,
so long as the code remains free. If they really don't want commercial
use, then GPL doesn't work for them. I can't imagine why it matters,
but I suppose they have their reasons.
CY
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