Harmonic Waves: Difference between revisions

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<html>
<jsxgraph box="jxgbox1" width="600" height="500">
<link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" />
     board1 = JXG.JSXGraph.initBoard('jxgbox1', {axis: true, boundingbox: [-6, 5, 6, -5]});
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script>
<div id="jxgbox1" class="jxgbox" style="width:600px; height:500px;"></div>
<script language="JavaScript">
     board1 = JXG.JSXGraph.initBoard('jxgbox1', {originX: 300, originY: 200, unitX: 50, unitY: 50});
     board1.suspendUpdate();
     board1.suspendUpdate();
    board1.createElement('axis', [[0,0], [1,0]], {});
    board1.createElement('axis', [[0,0], [0,1]], {});
     var s = board1.createElement('slider', [[0.75,-2],[4.5,-2],[0,0,10]], {name:'S',snapWidth:1});
     var s = board1.createElement('slider', [[0.75,-2],[4.5,-2],[0,0,10]], {name:'S',snapWidth:1});
     board1.createElement('functiongraph', [
     board1.createElement('functiongraph', [
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     board1.unsuspendUpdate();         
     board1.unsuspendUpdate();         
</script>
</jsxgraph>
</html>


<source lang="javascript">
<source lang="javascript">
    board1 = JXG.JSXGraph.initBoard('jxgbox1', {originX: 300, originY: 200, unitX: 50, unitY: 50});
board1 = JXG.JSXGraph.initBoard('jxgbox1', {axis: true, boundingbox: [-6, 5, 6, -5]});
    board1.suspendUpdate();
board1.suspendUpdate();
    board1.createElement('axis', [[0,0], [1,0]], {});
var s = board1.createElement('slider', [[0.75,-2],[4.5,-2],[0,0,10]], {name:'S',snapWidth:1});
    board1.createElement('axis', [[0,0], [0,1]], {});
board1.createElement('functiongraph', [
    var s = board1.createElement('slider', [[0.75,-2],[4.5,-2],[0,0,10]], {name:'S',snapWidth:1});
    function(t) {
    board1.createElement('functiongraph', [
        var val = 0, sv = s.Value()+1,
        function(t) {
        k = 1;
            var val = 0, sv = s.Value()+1,
        for(var i = 0; i < sv; i++) {
            val = val + Math.sin(2*Math.PI*k*t)/k;
            k += 1;
        }
        return val+2;
    }, -10, 10], {strokeColor: "#bb0000"});
 
board1.createElement('functiongraph', [
    function(t) {
        var val = 0, sv = s.Value()+1,
             k = 1;
             k = 1;
            for(var i = 0; i < sv; i++) {
        for(var i = 0; i < sv; i++) {
                val = val + Math.sin(2*Math.PI*k*t)/k;
             val = val + Math.sin(2*Math.PI*(2*k-1)*t)/(2*k-1);
                k += 1;
            k += 1;
            }
        }
            return val+2;
        return val-2;
        }, -10, 10], {strokeColor: "#bb0000"});
    }, -10, 10], {strokeColor: "#cc5520"});
   
    board1.createElement('functiongraph', [
        function(t) {
             var val = 0, sv = s.Value()+1,
                k = 1;
            for(var i = 0; i < sv; i++) {
                val = val + Math.sin(2*Math.PI*(2*k-1)*t)/(2*k-1);
                k += 1;
            }
            return val-2;
        }, -10, 10], {strokeColor: "#cc5520"});


    board1.unsuspendUpdate();      
board1.unsuspendUpdate();
</source>
</source>


[[Category:Examples]]
[[Category:Examples]]
[[Category:Calculus]]
[[Category:Calculus]]

Revision as of 07:11, 8 June 2011

board1 = JXG.JSXGraph.initBoard('jxgbox1', {axis: true, boundingbox: [-6, 5, 6, -5]});
board1.suspendUpdate();
var s = board1.createElement('slider', [[0.75,-2],[4.5,-2],[0,0,10]], {name:'S',snapWidth:1});
board1.createElement('functiongraph', [
    function(t) {
        var val = 0, sv = s.Value()+1,
        k = 1;
        for(var i = 0; i < sv; i++) {
            val = val + Math.sin(2*Math.PI*k*t)/k;
            k += 1;
        }
        return val+2;
    }, -10, 10], {strokeColor: "#bb0000"});

board1.createElement('functiongraph', [
    function(t) {
        var val = 0, sv = s.Value()+1,
            k = 1;
        for(var i = 0; i < sv; i++) {
            val = val + Math.sin(2*Math.PI*(2*k-1)*t)/(2*k-1);
            k += 1;
        }
        return val-2;
    }, -10, 10], {strokeColor: "#cc5520"});

board1.unsuspendUpdate();