n

α 1 = 0.6 , α 2 = 0.9

α 1 = 0.2 , α 2 = 0.8

误差

收敛阶

误差

收敛阶

8

0.3976

0.4764

16

0.3093

0.3623

0.3709

0.3610

32

0.2253

0.4568

0.2698

0.4591

64

0.1525

0.5630

0.1823

0.5661