RMSE

h

Δt

2.6819 × 10−20

3.5622 × 10−4

4.4095 × 10−5

5.0

0.05

1.184 × 10−4

5.5920 × 10−5

2.3593 × 10−6

2.5

0.025

1.8877 × 10−69

2.4637 × 10−11

1.3877 × 10−7

1.25

0.0125

N.A

N.A

N.A

0.625

0.00625