h

α = 0.6

α = 0.7

α = 0.8

α = 0.9

err(τ, h)

γh

err(τ, h)

γh

err(τ, h)

γh

err(τ, h)

γh

π/8

5.63e−02

--

5.60e−02

--

5.57e−02

--

5.54e−02

--

π/16

1.41e−02

2.00

1.40e−02

2.00

1.39e−02

2.00

1.38e−02

2.01

π/32

3.33e−03

2.04

3.39e−03

2.05

3.36e−03

2.05

3.33e−03

2.05

π/64

7.50e−04

2.19

7.21e−04

2.23

7.06e−04

2.25

6.93e−04

2.26