M

N

L -误差

时间收敛阶

CPU时间

5

16

4.0671 × 10−3

0.0004

10

64

2.6872 × 10−4

3.99

0.0029

20

256

1.6814 × 10−5

4.00

0.0054

40

1024

1.0512 × 10−6

4.00

0.0455

80

4096

6.5688 × 10−8

4.00

0.0389