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

9.895036

9.875369

5.153915

5.095526

1.13%

5.122564

0.61%

5.119445

0.67%

2

2.568587

2.563858

2.745262

2.712574

1.19%

2.740115

0.19%

2.738099

0.26%

3

1.319118

1.317347

2.026906

2.003933

1.13%

2.024912

0.10%

2.024611

0.11%

4

0.989143

0.988526

1.770142

1.756438

0.77%

1.769566

0.03%

1.769440

0.04%

5

0.911952

0.911813

1.700058

1.690804

0.54%

1.699923

0.00%

1.699905

0.01%