$\tau =h=0.1$

$\tau =h=0.05$

$\tau =h=0.025$

$p=3$

$t=5$

5.1615163e−3

1.3010245e−3

3.2264725e−4

$t=10$

6.7718924e−3

1.7056575e−3

4.2236642e−4

$t=15$

9.6227512e−3

2.4605686e−3

5.9633758e−4

$t=20$

1.1968095e−2

3.0164056e−3

7.3528904e−4

$p=5$

$t=5$

3.7520665e−3

9.7232475e−4

2.3774384e−4

$t=10$

7.3330778e−3

1.8813375e−3

4.6002634e−4

$t=15$

9.9836428e−3

2.5432739e−3

6.1802900e−4

$t=20$

1.1672353e−2

3.0093422e−3

7.3555580e−4