Re: [Maxima-bugs] [ maxima-Bugs-1281737 ] limit(atan(x)/(1/exp(1)-exp(-(1+x)^2)),x,inf,plus) - wrong



> Could be.  I'd have to read the thesis again.  I also guess that if
> that's true, whoever added the code to convert atan to log didn't know
> that either.
> 
> I also never heard of tlimit.  In this particular case
> 
> tlimit(atan(x)/(1/exp(1)-exp(-(1+x)^2)),x,inf,plus)
> 
> returns 0.  Probably because 
> 
> taylor(atan(x)/(1/exp(1)-exp(-(1+x)^2)),x,inf,1)
> 
> returns
> 
> 0 + ...
> 
I get a QUOTIENT by ZERO error with either tlimit or taylor, and the
same on Maxima-5.9.1 and the current release candidate!
How does Maxima do taylor at infinity? I have a feeling that you just
discovered yet another problem that maxima does not handle correctly.
Milan

> 
> Ray
> 
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