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Question: To find the equation to fit the graph nearest to the pointplot

Question:To find the equation to fit the graph nearest to the pointplot

mahad 0 Maple 10
curvefitting regression
October 31 2010
0

My problem is to find the right equation to get the best plot to the data shown below, please commen on it

 

> restart;

> with(CurveFitting):with(plots);

Warning, the name changecoords has been redefined

Warning, the previous binding of the name Interactive has been removed and it now has an assigned value

 

>

> datax:=[1,1.019,1.040,1.059,1.079,1.100,1.120,1.140,1.160,1.180,1.200];

 

> m:=nops(datax);

 

> datay:=[2.626,3.007,2.955,2.982,2.940,3.527,6.433,16.172,36.477,106.440,394.928];

 

> m:=nops(datay);

 

 

 

> points:= [seq([datax[i],datay[i]],i=1..m)]:

> pointplot(points);

 

>  

>  

 

>  

 

>  

 

> graph1:=pointplot(points):

>  

 

> pp:=LeastSquares(points,x,curve=(a*(Y1(x))+b*(Y2(x))+c*(Y3(x))));

 

>

> plot(pp(x),x=datax[1]..datax[m]);

 
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