Differential equations: Difference between revisions

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<html>
<form>
f(t,x)=<input type="text" id="odeinput"><input type=button value="ok" onclick="doIt()">
</form>
</html>
<jsxgraph width="500" height="500">
<jsxgraph width="500" height="500">
var brd = JXG.JSXGraph.initBoard('jxgbox', {axis:true, boundingbox:[-5,5,5,-5]});
var brd = JXG.JSXGraph.initBoard('jxgbox', {axis:true, boundingbox:[-5,5,5,-5]});
var P = brd.create('point',[0,0], {name:'x_0'});
var P = brd.create('point',[0,0], {name:'x_0'});
var f = function(t,x) {
var f = function(t,xx) {
       return [3*x[0]];
       var x = xx[0];
      y = 3*x;
     
      return [y];
     };
     };
function doIt() {
  var t = document.getElementById(odeinput).value;
  f = new Function("t", "xx", "var x = xx[0]; var y = " + t + "; return [y]");
}


function ode() {
function ode() {

Revision as of 09:36, 14 July 2010

f(t,x)=

The underlying JavaScript code