阶数
‖ E r r o r 1 ‖ 2 2
‖ E r r o r 2 ‖ 2 2
1
4.25487 × 10−6
0
2
4.74073 × 10−12
7.25526 × 10−17
3
2.00221 × 10−17
1.04952 × 10−21