τ

e ( H )

order

e ( u )

order

time

1/40

1.86 × 102

2.28 × 102

899 s

1/80

4.80 × 103

1.95

5.99 × 103

1.93

1724 s

1/160

1.22 × 103

1.98

1.54 × 103

1.96

3396 s