N

L -误差

时间收敛阶

CPU时间

10

1.4958 × 10−2

0.0043

20

3.7474 × 10−3

2.00

0.0091

40

9.3733 × 10−4

2.00

0.0103

80

2.3436 × 10−4

2.00

0.0293

160

5.8583 × 10−5

2.00

0.0349