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Re: Difficult integral


Hi,

your computer need a night to compute

((-2*I)/((-2 + n)*n*(2 + n)) + (2*I*E^(2*I*n*Pi))/
   ((-2 + n)*n*(2 + n)))*rho

?

Is it a ENICA ? 

Regards
  Jens

Marco de Innocentis wrote:
> 
> I need to calculate the following integral
> 
> Integrate [(Sin[x])^2 rho Exp[I n x],{x,0,2 Pi}]
> 
> as a function of the two parameters rho and n. I have tried it
> for rho = 1, 4, 8, 10, and it works, but it doesn't work at all
> for rho = 12. I left the computer on all night but only got the
> same expression as a result.
> Any suggestions?
> Thanks
> 
> Marco
> 
> Sent via Deja.com http://www.deja.com/
> Before you buy.


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