Problem with integration



Great. Not too long ago, I wrote that none of the bugs found recently in
Maxima resulted in mathematically incorrect answers. Now you have to go
an ruin the streak.

This bug deserves *careful* consideration.

Thanks for the report.

--Jim


On Fri, 2002-04-05 at 14:36, C Y wrote:
> I've run into a problem with the Maxima integration ability.  I tried
> to integrate 3^log(x), and according to both hand and mathematica
> calculations the answer should be (x*3^log(x))/(1+log(3)).  Maxima,
> however, gives 3^(2*log(x))/(2*log(3)).  Here is a simple test to show
> the problem:
> 
> (C1) c:3^log(x);
> 
>                                      LOG(x)
> (D1)                                3
> (C2) diff(integrate(c,x),x);
> 
>                                     2 LOG(x)
>                                    3
> (D2)                               ---------
>                                        x
> 
> 
> CY
> 
> 
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