三维散点数据,应该是拟合出一个曲面(如附件散点图所示),但是使用matlab拟合时效果太差,一半的数据没有覆盖到,可能是方法不对,希望各路大神不吝赐教!
| a | v | z1 | z2 |
1 | 0.005 | 0.18 | 1.02 |
1 | 0.01 | 0.33 | 0.95 |
1 | 0.015 | 0.53 | 0.82 |
1 | 0.012 | 0.4 | 0.91 |
1 | 0.007 | 0.24 | 0.99 |
2 | 0.02 | 0.18 | 1.02 |
2 | 0.025 | 0.22 | 1 |
2 | 0.032 | 0.27 | 0.98 |
2 | 0.015 | 0.14 | 1.04 |
2 | 0.03 | 0.25 | 0.99 |
3 | 0.05 | 0.19 | 1.01 |
3 | 0.04 | 0.16 | 1.03 |
3 | 0.06 | 0.23 | 1 |
3 | 0.08 | 0.3 | 0.96 |
3 | 0.1 | 0.37 | 0.93 |
4 | 0.12 | 0.25 | 0.99 |
4 | 0.14 | 0.29 | 0.97 |
4 | 0.17 | 0.35 | 0.93 |
4 | 0.1 | 0.22 | 1 |
4 | 0.2 | 0.42 | 0.9 |
5 | 0.1 | 0.15 | 1.04 |
5 | 0.2 | 0.27 | 0.98 |
5 | 0.3 | 0.4 | 0.91 |
5 | 0.4 | 0.59 | 0.77 |
6 | 0.2 | 0.19 | 1.01 |
6 | 0.3 | 0.28 | 0.97 |
6 | 0.4 | 0.37 | 0.93 |
6 | 0.5 | 0.48 | 0.86 |
6 | 0.6 | 0.68 | 0.72 |
7 | 0.2 | 0.15 | 1.03 |
7 | 0.3 | 0.21 | 1.01 |
7 | 0.4 | 0.27 | 0.98 |
7 | 0.5 | 0.34 | 0.94 |
7 | 0.6 | 0.41 | 0.9 |
7 | 0.7 | 0.49 | 0.85 |
7 | 0.8 | 0.62 | 0.75 |
7.5 | 0.3 | 0.19 | 1.02 |
7.5 | 0.4 | 0.24 | 0.99 |
7.5 | 0.5 | 0.3 | 0.96 |
7.5 | 0.6 | 0.35 | 0.93 |
7.5 | 0.7 | 0.42 | 0.9 |
7.5 | 0.8 | 0.49 | 0.85 |
7.5 | 0.9 | 0.59 | 0.77 |
8 | 0.3 | 0.17 | 1.03 |
8 | 0.4 | 0.22 | 1 |
8 | 0.5 | 0.26 | 0.98 |
8 | 0.6 | 0.31 | 0.96 |
8 | 0.7 | 0.36 | 0.93 |
8 | 0.8 | 0.42 | 0.9 |
8 | 0.9 | 0.48 | 0.86 |
8 | 1 | 0.56 | 0.79 |