VarConstant f=[50,100,150];
Variable x,y;
Function  y=a*f*x^t+b*(f*x)^2+e*(f*x)^1.5;
Data;
x=[0.2:0.1:1.9];
y=[0.0148,0.0296,0.0501,0.0747,0.1031,0.1352,0.1709,0.2115,0.2575,0.3088,0.3644,0.4267,0.4952,0.5698,0.6572,0.7755,1.0057,1.3361];
Data;
x=[0.2:0.1:1.9];
y=[0.0368,0.0799,0.1371,0.2074,0.2909,0.3866,0.4948,0.6177,0.7582,0.916,1.09,1.285,1.4992,1.7222,1.9709,2.263,2.7734,3.5511;
Data;
x=[0.2:0.1:1.9];
y=[0.072,0.1568,0.2689,0.4411,0.5684,0.7533,0.9618,1.2058,1.4794,1.8289,2.1415,2.5103,2.9037,3.326,3.784,4.3331,5.18890,6.4422];

2楼: Originally posted by dingd at 2014-08-18 11:37:54
1stOpt求解：

VarConstant f=;
Variable x,y;
Function  y=a*f*x^t+b*(f*x)^2+e*(f*x)^1.5;
Data;
x=;
y=;
Data;
x=;
y=[0.0368,0.0799,0.1371,0.2074,0.2909,0.3866,0.4948,0.6177,0.7582,0.916,1.09,1 ...