[Axiom-developer] Re: Patches

[William Sit]

Manuel Bronstein wrote:
 
> > I still do not know under what conditions dvdsum applies (correctly). Do you
> > mean that it applies only when Da = 0 [corrected typo] and Db = 0?
> 
> I hope not only those cases, but at least those (where it is trivial).
> There must have been some examples with Da or Db nonzero and where that
> formula worked.

Yes there may be, but all the examples I tried, it seems either the summation is
done first or the answer is wrong.

> I'll give it a try, but not before ISSAC.

Thanks. Take your time.

William