N

ε ˜ n (WM)

ε ˜ n (FM)

2 k ρ 2 ( ε ˜ n ε ˜ 0 ) (FM)

Ref. [8]

0

−1096.739532

−1096.739503

0

0

1

−1096.738464

−1096.738420

0.0442

<0.2

2

−1078.470184

−1078.470125

745.8411

746

3

−1078.404724

−1078.404795

748.5082

748.5

4

−1062.958557

−1062.958552

1379.096

1379

5

−1061.637298

−1061.637339

1433.034

1434