Am Freitag, 29. Juni 2012 16:11:01 UTC+2 schrieb kjetil1001: > > > You are right, it should not be 0, this is a bug. Do you know the > correct > > value? > > > > Yes. This is a special case of the so-called Selberg integral (named > for Atle Selberg) , see > http://en.wikipedia.org/wiki/Selberg_integral > > The special case above has the value: (G is the gamma function) > > S_3(beta+1,1,gamma=1/2) = \prod_{j=1}^3 \frac{ G(beta+1+(j-1)gamma) > G(1+(j-1)gamma) G(1+j gamma) } > > { G(beta+2+(3+j-2)gamma) G(1+gamma) } >
Thanks, I made this issue 3317 [1]. Vinzent [1] http://code.google.com/p/sympy/issues/detail?id=3317&thanks=3317&ts=1341145588 -- You received this message because you are subscribed to the Google Groups "sympy" group. To view this discussion on the web visit https://groups.google.com/d/msg/sympy/-/kaMgPq8xNzcJ. To post to this group, send email to sympy@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.