Newton's root finding method: Difference between revisions
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A WASSERMANN (talk | contribs) No edit summary |
A WASSERMANN (talk | contribs) No edit summary |
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<script type="text/javascript"> | <script type="text/javascript"> | ||
// Initial function term | // Initial function term | ||
var term = function(x) { return x*x; }; | |||
var graph = function(x) { return term(x); }; | |||
// Recursion depth | // Recursion depth | ||
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var ax = board.create('axis', [[0,0], [1,0]], {strokeColor: 'black'}); | var ax = board.create('axis', [[0,0], [1,0]], {strokeColor: 'black'}); | ||
var ay = board.create('axis', [[0,0], [0,1]], {strokeColor: 'black'}); | var ay = board.create('axis', [[0,0], [0,1]], {strokeColor: 'black'}); | ||
var g = board.create('functiongraph', [function(x){return graph(x);}],{strokeWidth: 2, dash:0}); | var g = board.create('functiongraph', [function(x){return graph(x);}],{strokeWidth: 2, dash:0}); | ||
var x = board.create('glider',[s,0,ax], {name: 'x_{0}', strokeColor: 'magenta', fillColor: 'yellow'}); | var x = board.create('glider',[s,0,ax], {name: 'x_{0}', strokeColor: 'magenta', fillColor: 'yellow'}); | ||
newGraph(document.getElementById('graphterm').value); | |||
newton(x,steps); | newton(x,steps); | ||
function xval(board) { | function xval(board) { | ||
Revision as of 14:14, 3 February 2010
xo is the start value. Drag it. You may change the function term here:
