R(a_B)

E₀ [7] [8]

exact

E₀

有限差分解

E_b [8]

exact

E_b [8]

eqn(3)

error

E_b [8]

eqn(5)

error

E_b

有限差分解

误差

1

9.914803

9.895176

5.155917

5.097615

1.13%

5.124655

0.61%

5.121520

0.67%

2

2.646494

2.641917

2.762897

2.730848

1.16%

2.758183

0.17%

2.755981

0.25%

3

1.483536

1.482041

2.087713

2.066796

1.00%

2.086372

0.06%

2.085797

0.09%

4

1.236781

1.236430

1.892868

1.880732

0.64%

1.892510

0.02%

1.892472

0.02%

5

1.202147

1.202110

1.861207

1.851498

0.52%

1.860523

0.04%

1.861161

0.00%