It depends on whether you think the domain of applicability of the taylor
series method is sufficient for your limit calculations, or if the heuristic
methods in the non-tlimit program are needed. It also depends on which
suite of programs is more robust over the common area of interest. And it
depends on history.
RJF
> -----Original Message-----
> From: maxima-bounces at math.utexas.edu
> [mailto:maxima-bounces at math.utexas.edu] On Behalf Of Nikos Apostolakis
> Sent: Sunday, September 02, 2007 11:17 AM
> To: maxima at math.utexas.edu
> Subject: Re: [Maxima] Why is tlimswitch false by default?
>
> "Robert Dodier" <robert.dodier at gmail.com> writes:
>
> > It's OK by me to make tlimswitch = true by default.
> > I would be interested to know if that makes some of the
> > known bugs in limit go away (without introducing new ones,
> > I hope).
> >
>
> I don't know about new ones, but it does take care of the bug I
> reported earlier (Request ID: 1786431)
>
> (%i1) tlimswitch : true;
> (%o1) true
> (%i2) limit( sqrt(x^2 + x +1) + x, x, minf);
> 1
> (%o2) - -
> 2
>
> and a few others, for example, 1731127, 1692082 and 1665657.
>
> Best,
> Nikos
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