RBM.py 文件源码

def gibbs_sample_x(self, h):
        """
        Sample a new x from p(x|h) using current parameters.
        :param h: shape (dim_hidden, 1)
        :return: shape (dim_input, 1)
        """
        x_mean = expit(self.bias_input + self.W.transpose().dot(h))
        return self.bernoulli(x_mean)