distributions.py 文件源码

def __init__(self, mean, cov, df, seed=None):
        """Defines the mean, co-variance and degrees of freedom a p-dimensional multivariate Student T distribution.

        Parameters
        ----------
        mean: numpy.ndarray
            Vector containing p means, one for every dimension        
        cov: numpy.ndarray
            pxp matrix containing the co-variance matrix        
        df: np.uint
            Degrees of freedom

        """

        MultiStudentT._check_parameters(mean, cov, df)

        self.mean = mean
        self.cov = cov
        self.df = df
        self.rng = np.random.RandomState(seed)