x

t = 1, α = 1.5

t = 1, α = 1.8

Exact

Computed

Errors

Exact

Computed

Errors

20

0.047500

0.00237565

4.56250E−02

0.047500

0.04999946

2.49355E−03

40

0.024375

0.000608375

2.37886E−02

0.024375

0.02499954

6.2361E−04

80

0.012344

0.0000015429697

1.22895E−02

0.01234

0.012499955

1.5346E−04

160

0.003211

0.000038818455

6.12212E−03

0.006211

0.000649975

3.1061E−05