public void SetButtonEvent(FunDelegate delBuy)
{
if (delBuy != null)
{
this.m_BuyDelegate = (FunDelegate)Delegate.Combine(this.m_BuyDelegate, new FunDelegate(delBuy.Invoke));
}
}
public double[,] MetodRK4(FunDelegate fun)
{
int n;//количество шагов
double[] f1;
double[] f2;
double[] f3;
double[] f4;
n = (int)((b - a) / h);//количество шагов
double[,] xr = new double[n + 1, x.Length];
double t = a;
double[] pr = new double[x.Length];
for (int j = 0; j < x.Length; j++)//begin point
{
xr[0, j] = x[j];
}
for (int i = 1; i <= n; i++)
{
f1 = fun(t, x);// first prav
t = t + h / 2;
for (int k = 0; k < x.Length; k++)
{
pr[k] = (x[k] + h * f1[k] / 2);
}
f2 = fun(t, pr); // second prav
for (int k = 0; k < x.Length; k++)
{
pr[k] = (x[k] + h * f2[k] / 2);
}
f3 = fun(t, pr); //third prav
t = t + h / 2;
for (int k = 0; k < x.Length; k++)
{
pr[k] = (x[k] + h * f3[k]);
}
f4 = fun(t, pr);
for (int k = 0; k < x.Length; k++)
{
x[k] = x[k] + (h / 6) * (f1[k] + f2[k] * 2 + f3[k] * 2 + f4[k]);
}
Console.Write(("t=" + t).PadRight(10));
for (int j = 0; j < x.Length; j++)
{
xr[i, j] = x[j];
WriteArgs(j, x[j], Math.Exp(t));
}
Console.WriteLine();
}
return(xr);
}
static void SimpleTest()
{
fprav += EasyMethod;
double[] x = new double[] { 1.0 };
double[,] rez;
RangeKutta rk = new RangeKutta(0, 1, x, 0.1);
while (true)
{
var ch = IOSystem.SafeSimpleChoice("Выберите метод: ", new string[]
{
"Range Kutta 2 порядка",
"Range Kutta 4 порядка",
"Метод Эйлера",
"Закончить тест"
});
//Console.WriteLine();
var endWork = false;
switch (ch)
{
case 0:
rez = rk.MetodRK2(fprav);
Write(rez, 0.0, 1.0, 0.1);
break;
case 1:
rez = rk.MetodRK4(fprav);
Write(rez, 0.0, 1.0, 0.1);
break;
case 2:
rez = rk.MetodEulera(fprav);
Write(rez, 0.0, 1.0, 0.1);
break;
case 3:
endWork = true;
break;
}
Console.WriteLine();
if (endWork)
{
break;
}
}
}
public double[,] MetodRK2(FunDelegate fun)
{
int n;//количество шагов
double[] f1;
double[] f2;
n = (int)((b - a) / h);//количество шагов
double[,] xr = new double[n + 1, x.Length];
double t = a;
double[] pr = new double[x.Length];
for (int j = 0; j < x.Length; j++)
{
xr[0, j] = x[j];
}
for (int i = 1; i <= n; i++)
{
f1 = fun(t, x); //1
t = t + h;
for (int k = 0; k < x.Length; k++)
{
pr[k] = x[k] + h * f1[k];
}
f2 = fun(t, pr);
for (int k = 0; k < x.Length; k++)
{
x[k] = x[k] + (h / 2) * (f1[k] + f2[k]);
}
Console.Write(("t=" + t).PadRight(10));
for (int j = 0; j < x.Length; j++)
{
xr[i, j] = x[j];
WriteArgs(j, x[j], Math.Exp(t));
}
Console.WriteLine();
}
return(xr);
}
static void Main(string[] args)
{
//Instantiation of Delegates
Multiplydelegate mul_del = new Multiplydelegate(Multiply);
WriteNameDelegate write_del = new WriteNameDelegate(WriteName);
DivisonDeletgate div_del = new DivisonDeletgate(Division);
FunDelegate fun_del = new FunDelegate(fun);
FindDelegate feven_del = new FindDelegate(FindEven);
FindDelegate fmul5_del = new FindDelegate(FindMultipleof5);
//Invoking The delegates
int Result = mul_del.Invoke(5, 7);
Console.WriteLine("Result is {0}", Result);
string str = write_del("SWATI");
Console.WriteLine(str);
div_del.Invoke(10, 2);
fun_del.Invoke();
if (feven_del.Invoke(20))
{
Console.WriteLine("Number is EVEN");
}
else
{
Console.WriteLine("Number is ODD");
}
if (fmul5_del.Invoke(30))
{
Console.WriteLine("Multiple of 5");
}
else
{
Console.WriteLine("Not multiple of 5");
}
Console.ReadKey();
}
static void Main(string[] args)
{
//instantiate the delegates
Multiplydelegate mul_del = (x, y) => //lambda expression
{
return(x * y);
};
WriteNameDelegate write_del = name =>
{
return("My Name is " + name);
};
DivisonDeletgate div_del = (x, y) =>
{
Console.WriteLine("Divide Result is : {0}", x / y);
};
FunDelegate fun_del = () =>
{
Console.WriteLine("Programming is fun");
};
FindDelegate feven_del = x =>
{
if (x % 2 == 0)
{
return(true);
}
else
{
return(false);
}
};
FindDelegate fmul5_del = x =>
{
if (x % 5 == 0)
{
return(true);
}
else
{
return(false);
}
};
//Invoking The delegates
int Result = mul_del.Invoke(5, 7);
Console.WriteLine("Result is {0}", Result);
string str = write_del("SWATI");
Console.WriteLine(str);
div_del.Invoke(10, 2);
fun_del.Invoke();
if (feven_del.Invoke(20))
{
Console.WriteLine("Number is EVEN");
}
else
{
Console.WriteLine("Number is ODD");
}
if (fmul5_del.Invoke(30))
{
Console.WriteLine("Multiple of 5");
}
else
{
Console.WriteLine("Not multiple of 5");
}
Console.ReadKey();
}
