Least-squares line fitting: Difference between revisions

Revision as of 18:01, 9 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...

@@ Line 7: / Line 7: @@
 var brd = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[-5,5,5,-5], keepaspectratio:true, axis:true});
 brd.suspendUpdate();
-if (true) {
+if (false) {
      var i, p = [], angle, xr, yr, delta = 0.1;