Janek Kozicki said: (by the date of Wed, 10 Mar 2010 22:11:07 +0100)
> integrate(sum(1/(n^4+x^2), n, 1, inf),x,0,inf);
>
> by hand + using maxima to calculate some small parts of it,
> I eventually reached the result, which is pi^3/12.
>
> I wonder if it is possible to calculate in maxima straight off. Is it?
>
> What I did, was replacing by hand arctan(0) with 0, separately
> calculating limits and so on. Took a bit of time, and mostly I did it
> myself on paper, just checking some parts with maxima. But still I'm
> not even sure if my final result is correct ;)
>
> question is - how to do it in a "clean" way in maxima?
sorry about misleading title. It's not about complex numbers. Just a
"complex/difficult" problem.
--
Janek Kozicki http://janek.kozicki.pl/ |