| 迭代次数 | 梯度范数 | 函数值 |
|
| 1 | 19000 | 1143.9 | 21.02467693 |
| 2 | 6700 | 366.31 | 12.10470983 |
| 3 | 3300 | 253.07 | 10.06121265 |
| 4 | 2800 | 214.75 | 8.802847791 |
| 5 | 2300 | 168.57 | 7.911138734 |
| 6 | 1300 | 76.932 | 5.171877313 |
| 7 | 4500 | 85.315 | 5.532166021 |
| 8 | 1000 | 50.607 | 4.132595372 |
| 9 | 530 | 48.245 | 4.150813062 |
| 10 | 500 | 47.277 | 4.086310511 |
| 11 | 290 | 41.644 | 3.873572234 |
| 12 | 370 | 39.949 | 3.784081761 |
| 13 | 420 | 39.716 | 3.775165665 |
| 14 | 250 | 39.224 | 3.760341887 |
| 15 | 120 | 39.094 | 3.758186703 |
| 16 | 74 | 39.056 | 3.756638622 |
| 17 | 70 | 39.037 | 3.756416277 |
| 18 | 60 | 38.989 | 3.753974603 |
| 19 | 40 | 38.868 | 3.747605175 |
| 20 | 270 | 38.979 | 3.753536131 |
| 21 | 59 | 38.84 | 3.746252816 |
| 22 | 24 | 38.833 | 3.746219151 |
| 23 | 20 | 38.831 | 3.745795716 |
| 24 | 18 | 38.829 | 3.746077799 |
| 25 | 18 | 38.827 | 3.745972816 |
| 26 | 17 | 38.825 | 3.745888641 |
| 27 | 17 | 38.824 | 3.745820188 |
| 28 | 17 | 38.823 | 3.7457724 |
| 29 | 17 | 38.822 | 3.745723501 |
| 30 | 17 | 38.822 | 3.745727156 |
| 31 | 17 | 38.821 | 3.745676313 |
| 32 | 17 | 38.821 | 3.745678924 |
| 33 | 17 | 38.821 | 3.745678729 |
| 34 | 17 | 38.821 | 3.745681443 |
| 35 | 17 | 38.821 | 3.745681304 |
| 36 | 17 | 38.814 | 3.745307532 |
| 37 | 17 | 38.811 | 3.745147183 |
| 38 | 16 | 38.81 | 3.745093788 |
| 39 | 15 | 38.809 | 3.745060345 |
| 40 | 15 | 38.808 | 3.745015504 |
| 41 | 15 | 38.808 | 3.745018356 |
| 42 | 15 | 38.808 | 3.745020142 |
| 43 | 15 | 38.808 | 3.745022536 |
| 44 | 15 | 38.807 | 3.74496898 |
| 45 | 15 | 38.807 | 3.744968884 |