Lagrange interpolation (dup): Difference between revisions
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m (moved Lagrange interpolation to Lagrange interpolation (dup)) |
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function addPoint() { | function addPoint() { | ||
p.push(board. | p.push(board.create('point',[(Math.random()-0.5)*10,(Math.random()-0.5)*3],{style:6})); | ||
board.update(); | board.update(); | ||
} | } | ||
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function addPoint() { | function addPoint() { | ||
p.push(board. | p.push(board.create('point',[(Math.random()-0.5)*10,(Math.random()-0.5)*3],{style:6})); | ||
board.update(); | board.update(); | ||
} | } | ||
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[[Category: | [[Category:Austragungsstueberl]] | ||
Category:Examples | |||
Category:Calculus | |||
Category:Interpolation | |||
Latest revision as of 08:05, 8 June 2011
Constructs a polynomial of degree [math]\displaystyle{ n }[/math] through [math]\displaystyle{ n+1 }[/math] given points. Points can be added by clicking on "Add point".
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/jsxgraphcore.js"></script>
<div id="box" class="jxgbox" style="width:600px; height:400px;"></div>
var board = JXG.JSXGraph.initBoard('box', {originX: 250, originY: 250, unitX: 50, unitY: 25, axis:true});
var p = [];
p[0] = board.create('point', [-1,2], {style:6});
p[1] = board.create('point', [3,-1], {style:6});
p[2] = board.create('point', [-3,0], {style:6});
var graph = board.create('functiongraph', [board.lagrangePolynomial(p), -10, 10]);
function addPoint() {
p.push(board.create('point',[(Math.random()-0.5)*10,(Math.random()-0.5)*3],{style:6}));
board.update();
}
Category:Examples Category:Calculus Category:Interpolation
