View source for Cardinal splines

<jsxgraph width="400" height="400" box="box">
var brd = JXG.JSXGraph.initBoard('box', {axis:true, boundingbox: [-5, 5, 5, -5]}),
    p = [], c, i, tau;

for (i=0;i<5;i++) {
    p.push(brd.create('point', [(Math.random()-0.5)*7,(Math.random()-0.5)*7],{withLabel:true}));
}

tau = brd.create('slider', [[1,4],[4,4],[0,0.5,1]], {name:'tau'});
c = brd.create('curve', JXG.Math.Numerics.CardinalSpline(p, function(){ return tau.Value();}), {strokeWidth:3});
</jsxgraph>

===The underlying JavaScript code===
<source lang="javascript">
var brd = JXG.JSXGraph.initBoard('box', {axis:true, boundingbox: [-5, 5, 5, -5]}),
    p = [], c, i;

for (i=0;i<5;i++) {
    p.push(brd.create('point', [(Math.random()-0.5)*7,(Math.random()-0.5)*7],{withLabel:true}));
}
c = brd.create('curve', JXG.Math.Numerics.CardinalSpline(p, function(){ return tau.Value();}), {strokeWidth:3});
</source>

[[Category:Examples]]
[[Category:Curves]]
[[Category:Interpolation]]