Yes, other "fancy" features in solve include breakup, programmode,
globalsolve, solveradcan, etc. Most of these should probably disappear if
we can ever bring ourselves to break compatibility with vintage solve....
-s
On Wed, May 2, 2012 at 11:03 AM, Barton Willis <willisb at unk.edu> wrote:
> > By the way, as far as I can tell, Barton's %solve is better in every way
> than solve. It might be a good idea to have it replace the base system's
> solve, except that its output
> > format is (necessarily) different from solve's, and it doesn't handle
> many of solve's fancy modes, so any code that depends on solve will have
> problems.
>
> The solve function sets the global multiplicities, but %solve doesn't.
> Actually, the mechanism is broken (and globals used this way are icky, I
> think)
>
> (%i2) solve(x,x);
> (%o2) [x=0]
>
> OK:
>
> (%i4) multiplicities;
> (%o4) [1]
>
> (%i5) solve(x^a,x);
> (%o5) [x=0]
>
> Bogus: (
>
> (%i6) multiplicities;
> (%o6) [1]
>
> Compatibility with solve wasn't what I was aiming for when I wrote the
> to_poly_solver--replacing solve with %solve isn't something I've tried to
> do.
> Most of %solve is written in Maxima--I think this was a good choice. Maybe
> it will make it easier for others to extend.
>
> --bw
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