Least-squares line fitting: Difference between revisions
From JSXGraph Wiki
A WASSERMANN (talk | contribs) No edit summary |
A WASSERMANN (talk | contribs) No edit summary |
||
| Line 24: | Line 24: | ||
// where x_i, y_i is the position of point p_i | // where x_i, y_i is the position of point p_i | ||
// y is equal to the zero vector. | // y is equal to the zero vector. | ||
var M = [], y= [ | var M = [], y= [], MT, B, c, z, n; | ||
n = p.length; | n = p.length; | ||
for (i=0;i<n;i++) { | for (i=0;i<n;i++) { | ||
M.push([ | M.push([p[i].X(), p[i].Y()]); | ||
y.push(1.0); | |||
} | } | ||
| Line 46: | Line 47: | ||
//var r = Math.sqrt(z[2]+xm*xm+ym*ym); | //var r = Math.sqrt(z[2]+xm*xm+ym*ym); | ||
brd.create('line',z); | brd.create('line',[1,z[0], z[1]]); | ||
</jsxgraph> | </jsxgraph> | ||
