@classmethod
def get_largest_left_eigs(cls, mx):
    """Get largest left eigenvectors and eigenvalues of matrix  `mx`

        Returns
        -------
        1-dimensional numpy array
            Eigenvalues
        2-dimensional numpy array
            Eigenvectors
        """
    vals, vecs = cls.get_largest_right_eigs(mx.T)
    return vals, vecs.T
