Least-squares line fitting: Difference between revisions
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A WASSERMANN (talk | contribs) No edit summary  | 
				A WASSERMANN (talk | contribs) No edit summary  | 
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var xm = z[0]*0.5;  | var xm = z[0]*0.5;  | ||
var ym = z[1]*0.5;  | var ym = z[1]*0.5;  | ||
var r = Math.sqrt(z[2]  | var r = Math.sqrt(z[2]+xm*xm+ym*ym);  | ||
brd.create('circle',[ [  | brd.create('circle',[ [xm,ym], r]);    | ||
//alert([xm,ym,r].toString());  | //alert([xm,ym,r].toString());  | ||
/*  | /*  | ||
Revision as of 11:51, 7 November 2010
This little JXSGraph application finds the line - described by homogeneous coordinates [a,b,c] - that minimizes
- [math]\displaystyle{ \sum_{i=1}^n (ax_i+by_i+cz_i)^2. }[/math]
 
Coming soon...