Difference between revisions of "Least-squares circle fitting"
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Jump to navigationJump to searchA WASSERMANN (talk | contribs) |
A WASSERMANN (talk | contribs) |
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| Line 2: | Line 2: | ||
var brd = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[-5,5,5,-5], keepaspectratio:true}); | var brd = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[-5,5,5,-5], keepaspectratio:true}); | ||
| − | var i, p = [], angle, co, si; | + | var i, p = [], angle, co, si, delta = 0.2; |
for (i=0;i<50;i++) { | for (i=0;i<50;i++) { | ||
angle = Math.random()*2*Math.PI; | angle = Math.random()*2*Math.PI; | ||
| − | co = 4*Math.cos(angle); | + | |
| − | si = 4*Math.sin(angle); | + | co = 4*Math.cos(angle)+delta*(Math.random()-0.5); |
| + | si = 4*Math.sin(angle)+delta*(Math.random()-0.5); | ||
p.push(brd.create('point',[co, si], {withLabel:false})); | p.push(brd.create('point',[co, si], {withLabel:false})); | ||
} | } | ||
