求助：如何对已知XYZ坐标的散点进行曲面拟合并求其与确定空间曲线的交点坐标？

besthouniao

如题，我有204个空间点的xyz坐标，想利用maple拟合其曲面，同时，求这个曲面与空间一条已知方程的曲线的交点。
无奈接触maple时间太短，好多现有操作和指令都用不成功，所以求各位大神能介绍的详细一些，感谢感谢！！

feiyuzhen

1. restart:
   
2. 
   
3. Cd := Vector([.686, .693, .702, .714, .728, .745, .764,
   
4. .785, .594, .597, .601, .607, .614, .621, .63, .641,
   
5. .545, .546, .549, .553, .557, .562, .566, .574, .514,
   
6. .515, .518, .52, .523, .526, .53, .535, .494, .495,
   
7. .496, .498, .5, .503, .504, .505, .479, .48, .481, .482,
   
8. .484, .485, .488, .49]):
   
9. 
   
10. S := Vector(10^3*[.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, .5, 1,
    
11. 1.5, 2, 2.5, 3, 3.5, 4, .5, 1, 1.5, 2, 2.5, 3, 3.5, 4,
    
12. .5, 1, 1.5, 2, 2.5, 3, 3.5, 4, .5, 1, 1.5, 2, 2.5, 3,
    
13. 3.5, 4, .5, 1, 1.5, 2, 2.5, 3, 3.5, 4]):
    
14. 
    
15. V := Vector([40, 40, 40, 40, 40, 40, 40, 40, 60, 60,
    
16. 60, 60, 60, 60, 60, 60, 80, 80, 80, 80, 80, 80, 80, 80,
    
17. 100, 100, 100, 100, 100, 100, 100, 100, 120, 120, 120,
    
18. 120, 120, 120, 120, 120, 140, 140, 140, 140, 140, 140,
    
19. 140, 140]):
    
20. 
    
21. W := Statistics:-Fit(a+b*s+c*v+d*s^2+e*s*v+f*v^2,
    
22.                       Matrix([S, V]), Cd, [s, v]);

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数据是随便取的，拟合问题可以这样试试