scipy.special.multigammaln

scipy.special.multigammaln(a, d)

returns the log of multivariate gamma, also sometimes called the generalized gamma.

Parameters :

a : ndarray

the multivariate gamma is computed for each item of a

d : int

the dimension of the space of integration.

Returns :

res : ndarray

the values of the log multivariate gamma at the given points a.

Notes

Reference:

R. J. Muirhead, Aspects of multivariate statistical theory (Wiley Series in probability and mathematical statistics).