public double Calculate()
{
double x1;
double Xp = dane.GetXp();
double Xk = dane.GetXk();
double Precision = dane.GetPrecision();
do
{
x1 = (Xp + Xk) / 2;
if (dane.getFunctionInPointX(x1) == 0)
{
return(x1);
}
if (dane.getFunctionInPointX(x1) * dane.getFunctionInPointX(Xp) < 0)
{
Xk = x1;
}
else if (dane.getFunctionInPointX(x1) * dane.getFunctionInPointX(Xk) < 0)
{
Xp = x1;
}
} while (Math.Abs(Xp - Xk) > Precision);
return(Math.Round((Xp + Xk) / 2, Precision.ToString().Length - 2));
}
public double Calculate()
{
double wynik = 0.0;
double h = (dane.GetXk() - dane.GetXp()) / dane.GetN();
for (double i = dane.GetXp(); i < dane.GetXk(); i += 2 * h)
{
wynik += (dane.getFunctionInPointX(i) + 4 * dane.getFunctionInPointX(i + h) + dane.getFunctionInPointX(i + 2 * h)) * (h / 3);
}
return(wynik);
}
public double Calculate()
{
double wynik = 0;
double Xk = dane.GetXk();
double Xp = dane.GetXp();
double dx = (Xk - Xp) / dane.GetN();
for (double i = Xp; i < Xk; i += dx)
{
wynik += (dane.getFunctionInPointX(i) + dane.getFunctionInPointX(i + dx)) * dx / 2.0;
}
return(wynik);
}
public double Calculate()
{
double x1 = -1;
double x2 = 1;
double Precision = dane.GetPrecision();
do
{
x1 = x2;
x2 = x1 - dane.getFunctionInPointX(x1) / dane.getDerivativeInPoint(x1);
if (Math.Abs(x2 - x1) <= Precision)
{
break;
}
if (Math.Abs(dane.getFunctionInPointX(x1)) <= Precision)
{
break;
}
} while (true);
return(Math.Round(x2, 0));
}
public double Calculate()
{
double wynik = 0;
double Xk = dane.GetXk();
double Xp = dane.GetXp();
double dx = (Xk - Xp) / dane.GetN();
for (double i = (Xp + dx); i <= Xk; i += dx)
{
wynik += dane.getFunctionInPointX(i);
}
return(dx * wynik);
}
public double Calculate()
{
Random rnd = new Random();
double fSrednie = 0.0;
double Xp = dane.GetXp();
double Xk = dane.GetXk();
double N = dane.GetN();
for (int i = 0; i < N; i++)
{
double wylosowano = rnd.NextDouble() * (Xk - Xp) + Xp;
fSrednie += dane.getFunctionInPointX(wylosowano) / N;
}
return(fSrednie * Math.Abs(Xk - Xp));
}
