我最近做了一些实验,但有数据没结果,所以想高手为我建一个模型，我万分的感谢！！！
已知：a+b+c=100,x+y+z=100，a与x的属性相同，b与y的属性相同，c与z的属性相同。求：x=f(a),y=f(b),z=f(c)
| a | b | c | x | y | z |
| 17.5 | 76.3 | 6.2 | 23.8 | 61.6 | 14.6 |
| 16.0 | 73.1 | 10.9 | 22.1 | 61.9 | 16.0 |
| 17.7 | 75.9 | 6.4 | 21.9 | 64.5 | 13.7 |
| 14.5 | 68.8 | 16.7 | 25.0 | 61.2 | 13.8 |
| 15.3 | 73.0 | 11.7 | 23.7 | 61.7 | 14.6 |
| 16.8 | 74.4 | 8.8 | 30.6 | 58.5 | 10.9 |
| 13.2 | 73.9 | 12.9 | 21.8 | 65.8 | 12.3 |
| 16.4 | 75.3 | 8.3 | 24.4 | 63.0 | 12.6 |
| 16.0 | 74.8 | 9.2 | 34.7 | 58.5 | 6.8 |
| 14.5 | 73.5 | 12.0 | 25.2 | 64.9 | 9.9 |
| 15.6 | 73.4 | 11.0 | 21.4 | 72.0 | 6.7 |
| 16.3 | 74.6 | 9.1 | 24.1 | 70.9 | 5.1 |
| 15.6 | 73.1 | 11.3 | 19.9 | 71.2 | 8.9 |
| 15.3 | 73.6 | 11.1 | 30.7 | 67.0 | 2.3 |
| 17.1 | 75.5 | 7.4 | 24.7 | 72.7 | 2.5 |
| 15.9 | 75.2 | 8.9 | 26.2 | 70.5 | 3.3 |
| 18.0 | 75.2 | 6.8 | 24.5 | 70.8 | 4.7 |
| 15.6 | 74.0 | 10.4 | 23.9 | 71.0 | 5.1 |
| 15.2 | 77.8 | 7.0 | 28.3 | 66.2 | 5.4 |
| 14.7 | 76.4 | 8.9 | 26.4 | 68.9 | 4.7 |
| 13.9 | 72.4 | 13.7 | 30.0 | 63.8 | 6.1 |
| 12.3 | 76.9 | 10.8 | 27.5 | 64.0 | 8.4 |
| 13.2 | 78.7 | 8.1 | 30.9 | 64.1 | 5.0 |
| 14.1 | 76.0 | 9.9 | 32.0 | 62.0 | 6.0 |
| 12.9 | 77.6 | 9.5 | 29.6 | 64.1 | 6.4 |
| 13.9 | 73.9 | 12.2 | 31.6 | 64.9 | 3.4 |
| 12.7 | 74.2 | 13.1 | 29.5 | 67.3 | 3.1 |
| 13.4 | 79.7 | 6.9 | 28.4 | 67.8 | 3.8 |
| 14.8 | 74.7 | 10.5 | 26.1 | 67.1 | 6.7 |
| 14.8 | 72.1 | 13.1 | 28.9 | 61.3 | 9.8 |
| 13.0 | 70.0 | 17.0 | 27.2 | 55.8 | 17.0 |
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