α = 0.1

α = 0.5

α = 0.8

(a)

(b)

(a)

(b)

(a)

(b)

1/10

8.0376e−04

7.7824e−05

0.0023

3.0382e−04

0.0016

3.3967e−04

1/20

4.0058e−04

1.8380e−05

0.0012

7.3746e−05

8.5045e−04

8.4019e−05

1/40

1.9993e−04

4.4646e−06

5.9778e−04

1.8159e−05

4.3870e−04

2.0892e−05

1/80

9.9870e−05

1.0964e−06

3.0039e−04

4.5010e−06

2.2271e−04

5.2043e−06

1/160

4.9913e−05

2.6781e−07

1.5057e−04

1.1162e−06

1.1219e−04

1.2938e−06