def _compute_covariance(self):
    self.inv_cov = np.linalg.inv(self.covariance)
    self._norm_factor = (np.sqrt(np.linalg.det(((2 * np.pi) * self.covariance))) * self.n)
def _compute_covariance(self):
    self.inv_cov = np.linalg.inv(self.covariance)
    self._norm_factor = (np.sqrt(np.linalg.det(((2 * np.pi) * self.covariance))) * self.n)