| 方法 | 误差 | CPU时间(s) |
| GD | 1.27 × 10−11 | 0.0635 |
SGD | 4.77 × 10−12 | 0.1044 | |
MB-SGD | 9.43 × 10−12 | 0.2278 | |
| GD | 6.35 × 10−10 | 9.7616 |
SGD | 1.93 × 10−9 | 3.9142 | |
MB-SGD | 2.82 × 10−11 | 7.5040 | |
| GD | 2.24 × 10−9 | 178.2139 |
SGD | 6.99 × 10−9 | 38.1682 | |
MB-SGD | 1.48 × 10−10 | 124.7364 |