Newton's root finding method: Difference between revisions

From JSXGraph Wiki
No edit summary
No edit summary
Line 16: Line 16:
// Initial function term
// Initial function term
var term = function(x) { return x*x; };
var term = function(x) { return x*x; };
var graph = function(x) { return term(x); };
// Recursion depth
// Recursion depth
var steps = 11;
var steps = 11;
Line 28: Line 30:
</html>
</html>
<jsxgraph width="600" height="500">
<jsxgraph width="600" height="500">
newGraph(document.getElementById('graphterm').value)
var i;
var i;
var board = JXG.JSXGraph.initBoard('jxgbox', {originX: 300, originY: 200, unitX: 40, unitY: 40, axis:true});
var board = JXG.JSXGraph.initBoard('jxgbox', {originX: 300, originY: 200, unitX: 40, unitY: 40, axis:true});
Line 56: Line 56:
function newGraph(v) {
function newGraph(v) {
eval("term = function(x){ return "+v+";}");
eval("term = function(x){ return "+v+";}");
graph = function(x) { return term(x); }
graph = function(x) { return term(x); };
g.Y = function(x){ return term(x); };
g.Y = function(x){ return term(x); };
g.updateCurve();
g.updateCurve();

Revision as of 14:09, 3 February 2010

xo is the start value. Drag it.

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

Retrieved from "http://jsxgraph.org/wiki/index.php?title=Newton%27s_root_finding_method&oldid=3611"