linear_operator_matrix.py 文件源码

def _log_abs_determinant(self):
    if self._is_spd:
      diag = array_ops.matrix_diag_part(self._chol)
      return 2 * math_ops.reduce_sum(math_ops.log(diag), reduction_indices=[-1])
    abs_det = math_ops.abs(self.determinant())
    return math_ops.log(abs_det)