二阶有限差分格式 | 重心Lagrange插值配点格式 | ||||||
M | N |
|
| M | N |
|
|
7 | 7 | 0.0093 | 0.0181 | 7 | 7 | 6.27E−04 | 0.001354 |
10 | 10 | 0.0054 | 0.0101 | 8 | 8 | 1.18E−04 | 2.50E−04 |
20 | 20 | 0.0015 | 0.0027 | 9 | 9 | 9.54E−06 | 1.77E−05 |
30 | 30 | 6.69E−04 | 0.0012 | 10 | 10 | 2.63E−06 | 5.26E−06 |
40 | 40 | 3.78E−04 | 7.00E−04 | 15 | 15 | 1.92E−07 | 3.55E−07 |