'Parameters
x : ndarray
Points at which to evaluate the log of the probability
density function
%(_dirichlet_doc_default_callparams)s
Notes
As this function does no argument checking, it should not be
called directly; use \'logpdf\' instead.'

def _logpdf(self, x, alpha):

    lnB = _lnB(alpha)
    return ((- lnB) + np.sum((np.log(x.T) * (alpha - 1)).T, 0))
