private void calcula_Clicked(object sender, EventArgs e)
{
var x0 = xXAML.Text;
var y0 = yXAML.Text;
var h = hXAML.Text;
var n = nXAML.Text;
var func = funXAML.Text;
if (func != null && func.Length != 0 && n != null && n.Length != 0 &&
h != null && h.Length != 0 && y0 != null && y0.Length != 0 && x0 != null && x0.Length != 0)
{
// GridProgress.IsVisible = true;
RungeKuta RK = new RungeKuta(float.Parse(x0), float.Parse(y0), float.Parse(h), int.Parse(n), func);
string kas = "";
kas += "\n K1: " + RK.k1 + " K2: " + RK.k2 + " \n K3: " + RK.k3 + " K4: " + RK.k4;
//Console.WriteLine("f(res)={0}", kas);
kXAML.Text = kas;
Resultado.HeightRequest = (int.Parse(n) * 8.3) + 8.5;
Resultado.Text = RK.Rec();
List <Datachart> datachartlist = new List <Datachart>();
datachartlist = genInst(RK.grafica);
Grafica.Chart = new Microcharts.LineChart
{
Entries = datachartlist
};
/// GridProgress.IsVisible = false;
}
else
{
DisplayAlert("Advertencia", "Campos incompletos", "Volver");
}
}
public string Rec()
{
string aux = "Y0= " + this.y0 + " " + "Y1= " + this.res() + "\n";
float xn = Calx(this.x0);
float yn = res();
//POrdenado par2 = new POrdenado(xn, yn);
this.grafica.Add(yn);
for (int i = 2; i < n; i++)
{
RungeKuta rp = new RungeKuta(xn, yn, this.h, 0, this.cadena);
if (i % 2 != 0)
{
aux = aux + "Y" + i + "= " + rp.res().ToString() + "\n";
}
else
{
aux = aux + "Y" + i + "= " + rp.res().ToString() + " ";
}
xn = Calx(rp.x0);
yn = rp.res();
//POrdenado par = new POrdenado(xn, yn);
this.grafica.Add(yn);
}
return(aux);
}
