Difference between revisions of "Systems of differential equations"
From JSXGraph Wiki
Jump to navigationJump to searchA WASSERMANN (talk | contribs) (New page: Display solutions of the ordinary differential equation :<math> y'= f(x,y)</math> with initial value <math>(x_0,y_0)</math>. <html> <form> f<sub>1</sub>(x,y)=<input type="text" id="odeinpu...) |
A WASSERMANN (talk | contribs) |
||
| Line 22: | Line 22: | ||
function ode() { | function ode() { | ||
| − | return JXG.Math.Numerics.rungeKutta(JXG.Math.Numerics.predefinedButcher.Heun, [ | + | return JXG.Math.Numerics.rungeKutta(JXG.Math.Numerics.predefinedButcher.Heun, [P1.Y()], [P1.X(), P1.X()+N.Value()], 200, f); |
} | } | ||
| Line 32: | Line 32: | ||
this.dataY = []; | this.dataY = []; | ||
for(var i=0; i<data.length; i++) { | for(var i=0; i<data.length; i++) { | ||
| − | this.dataX[i] = | + | this.dataX[i] = P1.X()+i*h; |
this.dataY[i] = data[i][0]; | this.dataY[i] = data[i][0]; | ||
} | } | ||
Revision as of 10:42, 21 July 2010
Display solutions of the ordinary differential equation
- [math] y'= f(x,y)[/math]
with initial value [math](x_0,y_0)[/math].
