On Fri, 2009-10-09 at 17:19 +0100, Leo Butler wrote:
> I should say that there are two errors in the output here. f(-1) should
> equal f(1) and both should be
>
> (%i19) integrate(cos(x)*sin(x)/x,x,minf,inf);
> (%o19) %pi/2
You are right, I completely missed that yesterday. It is a discontinuity
point and the Fourier integral should give the average value at the
discontinuity.
Thanks to everyone for replying!
--
Stanislav