h = k (步长) | Max err1 (交错五点) | rate1 (交错五点) | Maxerr2 (九点) | rate2 (九点) | Maxerr3 (五点) |
1/4 | 0.0106 | - | 0.0116 | - | 0.0391 |
1/8 | 0.0039 | 1.4283 | 0.0044 | 1.3985 | 0.0431 |
1/16 | 0.0012 | 1.7004 | 0.0014 | 1.6521 | 0.0397 |
1/32 | 3.4069e−04 | 1.8165 | 4.0856e−04 | 1.7751 | 0.0444 |
1/64 | 9.2356e−05 | 1.8832 | 1.1128e−04 | 1.8765 | 0.0444 |