gDirichlet.py 文件源码

def __init__(self, a, b, K):
        from operator import mul
        self._a = a
        self._b = b
        self._K = K
        theta = 1. / b
        self.gamma_dist = gamma_dist(a, 0, theta)
        # self._alpha = np.array(alpha)
        # self._coef = gamma(np.sum(self._alpha)) / \
        #              reduce(mul, [gamma(a) for a in self._alpha])