Problem using LIMIT()



It's a bug.  Please report it in the bug-tracking system --
bug_report() for more info.

        -s



On Sat, 15 Jan 2005 11:47:51 +0100, Daniel van Leeuwen
 wrote:
> Hi list!
> 
> I'm trying to do this simple limit calculation in Maxima, but I think it
> fails:
> 
> (C1) limit(atan(x)/(1/exp(1)-exp(-(1+x)^2)),x,inf,plus);
>                                 %E %I LOG(- 1)
> (D1)                           --------------
>                                       2
> 
> /* Since LOG(-1) equals %I*%PI, this should be the same as */
> 
> (C2) subst(%I*%PI,log(-1),%th(1));
>                                      %E %PI
> (D2)                              - ------
>                                        2
> 
> /* But doing the calculation step-by-step */
> 
> (C3) limit(atan(x),x,inf);
>                                       %PI
> (D3)                                 ---
>                                        2
> (C4) limit(-(x+1)^2,x,inf);
> (D4)                                MINF
> (C5) limit(exp(-(x+1)^2),x,inf);
> (D5)                                  0
> 
> /* shows that the solution should be:
>  *
>  * exp(1)*%pi/2
>  *
>  */
> 
> What's wrong here?
> 
> Thanks,
> 
> /DvL
> 
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