public void Calculate()
{
float xp = (float)dane.GetXp();
float xk = (float)dane.GetXk();
float h = (float)dane.GetN();
int n = (int)((xk - xp) / h);
float ybuf = dane.getPoint(0).Y;
float xbuf = dane.getPoint(0).X;
for (int i = 0; i < n; i++)
{
float x1 = xbuf + h;
float k1 = h * (float)dane.getFunctionInPointXY(xbuf, ybuf);
float k2 = h * (float)dane.getFunctionInPointXY(xbuf + h / 2, k1 / 2 + ybuf);
float k3 = h * (float)dane.getFunctionInPointXY(xbuf + h / 2, k2 / 2 + ybuf);
float k4 = h * (float)dane.getFunctionInPointXY(xbuf + h, k3 + ybuf);
float y1 = ybuf + (k1 + 2 * k2 + 2 * k3 + k4) / 6;
PointF bufor = new PointF(x1, y1);
dane.AddPoint(bufor);
// Console.WriteLine(x1 + ": " + y1);
xbuf = x1;
ybuf = y1;
}
dane.SetDrawable();
}
public void Calculate()
{
float xp = (float)dane.GetXp();
float xk = (float)dane.GetXk();
float h = (float)dane.GetN();
int n = (int)((xk - xp) / h);
float ybuf = dane.getPoint(0).Y;
float xbuf = dane.getPoint(0).X;
for (int i = 0; i < n; i++)
{
float yn = ybuf + h / 2 * ((float)dane.getFunctionInPointXY(xbuf, ybuf) + (float)dane.getFunctionInPointXY(xbuf + h, ybuf + h * (float)dane.getFunctionInPointXY(xbuf, ybuf)));
float xn = xbuf + h;
PointF bufor = new PointF(xn, yn);
dane.AddPoint(bufor);
// Console.WriteLine(xn+": "+ yn );
xbuf = xn;
ybuf = yn;
}
dane.SetDrawable();
}
public double Calculate()
{
double wynik = 0;
double SizeOfPoints = dane.SizeOfPoints();
double toFind = dane.GettoFind();
for (int i = 0; i < SizeOfPoints; i++)
{
double Lx = 1;
for (int j = 0; j < SizeOfPoints; j++)
{
if (i == j)
{
continue;
}
Lx *= (toFind - dane.getPoint(j).X) / (dane.getPoint(i).X - dane.getPoint(j).X);
}
wynik += dane.getPoint(i).Y *Lx;
}
return(wynik);
}
private void GenerateRow()
{
int liczbaPunktow = dane.SizeOfPoints();
List <double> bufor = new List <double>();
for (int i = 1; i < liczbaPunktow; i++)
{
double wynik = (dane.getPoint(i).Y - dane.getPoint(i - 1).Y) / (dane.getPoint(i).X - dane.getPoint(i - 1).X);
bufor.Add(wynik);
}
rzad.Add(bufor);
int punktow_bufor = liczbaPunktow - 1;
for (int j = 1; j < liczbaPunktow - 1; j++)
{
bufor = new List <double>();
for (int i = 1; i < punktow_bufor; i++)
{
double wynik = (rzad[j - 1][i] - rzad[j - 1][i - 1]) / (dane.getPoint(i + j).X - dane.getPoint(i - 1).X);
bufor.Add(wynik);
}
punktow_bufor--;
rzad.Add(bufor);
}
}
public void Calculate()
{
float xp = (float)dane.GetXp();
float xk = (float)dane.GetXk();
float h = (float)dane.GetN();
int n = (int)((xk - xp) / h);
int iterator = 0;
float y_temp = dane.getPoint(0).Y;
for (float i = xp; i < xk; i += h)
{
float y1 = y_temp + h * (float)dane.getFunctionInPointXY(i, y_temp);
PointF bufor = new PointF(i + h, y1);
dane.AddPoint(bufor);
//Console.WriteLine((i + h).ToString()+" "+y1);
y_temp = y1;
iterator++;
}
dane.SetDrawable();
}
public bool IsCalculated()
{
bool step1 = (dane.SizeOfPoints() == 3) ? true : false;
double w = dane.getPoint(0).X *dane.getPoint(0).X *dane.getPoint(1).X + dane.getPoint(0).X *dane.getPoint(2).X *dane.getPoint(2).X + dane.getPoint(1).X *dane.getPoint(1).X *dane.getPoint(2).X - dane.getPoint(1).X *dane.getPoint(2).X *dane.getPoint(2).X - dane.getPoint(0).X *dane.getPoint(1).X *dane.getPoint(1).X - dane.getPoint(0).X *dane.getPoint(0).X *dane.getPoint(2).X;
bool step2 = (w != 0) ? true : false;
return(step1 && step2 && !Double.IsNaN(dane.GettoFind()));
}
