kcrisman wrote:
On Jun 4, 3:58 am, John Reid <j.r...@mail.cryst.bbk.ac.uk> wrote:
kcrisman wrote:
I'm not sure whether this is really worth a bug report to Maxima
either; what answer were you expecting (a generalized beta function,
maybe) to receive? Perhaps that function does not yet exist in
Maxima. Incidentally, you can find more information about what
manipulations you can do with the regular beta function in Maxima at
http://maxima.sourceforge.net/docs/manual/en/maxima_16.html.
I was kind of hoping for a multinomial beta function. Thanks for the info.
Or some combination of Gammas, right?
http://en.wikipedia.org/wiki/Dirichlet_distribution
I don't believe Maxima (or any other component of Sage, or even
proprietary competitors) have this function per se. Would you be
interested in trying to implement something like this for Sage and/or
Maxima? Sorry we can't be of more help.
Implementing a function that evaluates the multinomial beta seems
straightforward. I imagine I could do that if pointed in the right
direction. But did you mean extending maxima so that it knows how to
integrate dirichlet distributions? I wouldn't know where to start with
that. So provisionally the answer is yes, given a few pointers.
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