ma2.py 文件源码

def rvs(cls, b, size=1, random_state=None):
        """Get random variates.

        Parameters
        ----------
        b : float
        size : int or tuple, optional
        random_state : RandomState, optional

        Returns
        -------
        arraylike

        """
        u = ss.uniform.rvs(loc=0, scale=1, size=size, random_state=random_state)
        t1 = np.where(u < 0.5, np.sqrt(2. * u) * b - b, -np.sqrt(2. * (1. - u)) * b + b)
        return t1