Integrate Dirichlet distribution



Barton Willis wrote:
>>> dirichlet_dist = x_1**(a-1) * x_2**(b-1) * (1-x_2-x_1)**(c-1)
>>> e = integral(dirichlet_dist, x_1, 0, 1)
>>> f = integral(e, x_2, 0, 1)
>> The optional package hyperint can evaluate this definite integral. 
> 
> Using hyperint, Maxima can integrate over x_1 (or x_2), but it cannot 
> handle the iterated integral.

Just to make completely clear: You're saying Maxima can't do the 
iterated integral *and* there's no easy way to extend it to do so?

John.