h

e ( H )

order

e ( u )

order

time

1/10

1.58 × 102

6.93 × 102

330 s

1/20

2.12 × 103

2.90

9.09 × 103

2.93

1264 s

1/40

2.69 × 104

2.97

1.18 × 103

2.94

5208 s

1/80

3.39 × 105

2.99

1.50 × 104

2.98

22960 s