N

4

8

12

16

20

24

$\lambda =1$

4.98e−04

3.86e−05

8.13e−06

2.63e−06

1.08e−06

5.22e−07

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

1.25e−04

7.83e−07

4.53e−08

5.95e−09

1.22e−09

3.35e−10

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

8.08e−03

1.20e−07

2.34e−10

4.17e−12

1.94e−13

1.63e−14

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

1.80e−02

1.25e−06

1.11e−10

5.62e−13

1.14e−14

5.66e−16