N

4

8

12

16

20

24

$\lambda =1$

2.64e−03

3.31e−04

9.41e−05

3.80e−05

1.86e−05

1.03e−05

$\lambda =\frac{1}{2}$

3.63e−04

3.55e−06

2.64−07

4.17e−08

9.91e−09

3.05e−09

$\lambda =\frac{1}{4}$

1.09e−02

2.28e−07

5.33e−10

1.03e−11

5.19e−13

4.62e−14

$\lambda =\frac{1}{5}$

2.12e−02

1.69e−06

1.67e−10

8.99e−13

1.91e−14

8.65e−16