Re: recurrence-guess.gp

[Kevin Ryde <user42_kevin@yahoo.com.au>]

Bill Allombert <Bill.Allombert@math.u-bordeaux.fr> writes:
>
> ? recurrence_guess(v)=denominator(bestapprPade(Ser(v)));

Ah.  That'll be something big on a non-recurrence will it, so check the
result against extra values held back?  Or give them but say a limit?

    bestapprPade(Ser( vector(100,n,n!) ))
    => big

Is it normally quicker?  I saw Charles Greathouse had qflll() too, but I
didn't know what relative merit.  (Except that also possible lindep()
seemed much slower for "not found".)

I want, I think, inputs exact, possibly complex or quads, if that makes
a difference.  My own use has only been recurrences up to about 100
terms, found from maybe 300 or 400 input values.