Differential equations: 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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<html> | <html> | ||
<form> | <form> | ||
f(t,x)=<input type="text" id="odeinput"><input type=button value="ok" onclick="doIt()"> | f(t,x)=<input type="text" id="odeinput" value="3*x"><input type=button value="ok" onclick="doIt()"> | ||
</form> | </form> | ||
</html> | </html> | ||
| Line 17: | Line 17: | ||
var t = document.getElementById("odeinput").value; | var t = document.getElementById("odeinput").value; | ||
f = new Function("t", "xx", "var x = xx[0]; var y = " + t + "; return [y]"); | f = new Function("t", "xx", "var x = xx[0]; var y = " + t + "; return [y]"); | ||
brd.update(); | |||
} | } | ||
function ode() { | function ode() { | ||
return JXG.Math.Numerics.rungeKutta(JXG.Math.Numerics.predefinedButcher.Heun, [P.Y()], [0, 10], | return JXG.Math.Numerics.rungeKutta(JXG.Math.Numerics.predefinedButcher.Heun, [P.Y()], [0, 10], 100, f); | ||
} | } | ||
Revision as of 09:39, 14 July 2010
