Difference between revisions of "Newton's root finding method"

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Line 15: Line 15:
 
<script type="text/javascript">
 
<script type="text/javascript">
 
// Initial function term
 
// Initial function term
var term;
+
var term = function(x) { return x*x; };
var graph;
+
// Recursion depth
      //function term(x) { return x*x; }
 
      // Recursion depth
 
 
var steps = 11;
 
var steps = 11;
 
// Start value
 
// Start value
Line 37: Line 35:
 
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'});
  
//function graph(x) { return term(x); }
+
var graph = function(x) { return term(x); };
newGraph(document.getElementById('graphterm').value);
 
 
newton(x,steps);
 
newton(x,steps);
 
function xval(board) {
 
function xval(board) {

Revision as of 15:08, 3 February 2010

xo is the start value. Drag it.

You may change the function term here:
f(x) =
;