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Title "wenxian";
//Parameters ;     x,y;
//Variable ;     a,b,c,d,e,f
//Function ;           y=a*(1-exp(-38.92)*x)/(b*exp(-(1-c)*38.92*x)+d*exp(-38.92)*x+(e/f+1))
Dataset;
0.000842105        0.009831461
0.053894737        0.599719101
0.084210526        1.396067416
0.120421053        2.103932584
0.154105263        2.703651685
0.200421053        3.037921348
0.252631579        2.860955056
0.268631579        2.978932584
EndDataSet;
MinFunction Sum(i=1:7)((y-a*(1-exp(-38.92)*x(i))/(b*exp(-(1-c)*38.92*x(i))+d*exp(-38.92*x(i))+(e/f+1)))^2);
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CODE:
Title "wenxian";
Variable  x,y;
Parameter a,b,c,d,e,f
Function y=a*(1-exp(-38.92)*x)/(b*exp(-(1-c)*38.92*x)+d*exp(-38.92)*x+(e/f+1));
Data;
0.000842105        0.009831461
0.053894737        0.599719101
0.084210526        1.396067416
0.120421053        2.103932584
0.154105263        2.703651685
0.200421053        3.037921348
0.252631579        2.860955056
0.268631579        2.978932584

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Function y=(1-exp(-38.92)*x)/(b*exp(-(1-c)*38.92*x)+d*exp(-38.92)*x+a);
2Â¥2013-06-24 09:12:52
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