Interpolation: Neville's algorithm

From JSXGraph Wiki
Revision as of 14:43, 10 March 2009 by A WASSERMANN (talk | contribs)
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

References

The underlying JavaScript code

<link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" />
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/prototype.js"></script>
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script>
<div id="box" class="jxgbox" style="width:600px; height:400px;"></div>
    board = JXG.JSXGraph.initBoard('box', {axis:true, originX: 250, originY: 250, unitX: 50, unitY: 25});
    var p = [];
    p[0] = board.createElement('point', [-1,2], {style:6});
    p[1] = board.createElement('point', [3,-1], {style:6});
    graph = board.createElement('curve', board.neville(p),{strokeWidth:5,strokeOpacity:0.5});
    g = board.createElement('glider', [graph]);
    t = board.createElement('tangent', [g],{dash:1,strokeColor:'green'});
    l = board.createElement('line', [p[0],p[5]],{dash:1,strokeColor:'green'});
      
    function addPoint() {
      p.push(board.createElement('point',[(Math.random()-0.5)*10,(Math.random()-0.5)*3],{style:6}));
      board.update();
    }