public static void Main(string[] agrz)
{
double a = -16.2, b = 5.7;
xDivided x = new xDivided((a + b) / 2);
Exp_Calculation func = new Exp_Calculation();
Console.WriteLine(" ____________________________________________________________");
Console.WriteLine("| | | | |");
Console.WriteLine("| eps | n | Abs Error | Remainder Term |");
Console.WriteLine("|________|______|_____________________|______________________|");
for (int i = 2; i <= 14; i += 3)
{
double eps = Math.Pow(10, -i);
func.Calculate(x, eps);
Console.Write("{0, -9}", "| " + "e-" + i);
Console.Write("{0,-7}", "| " + func.N);
Console.Write("{0, -22}", "|" + func.AbsoluteError);
Console.Write("{0,-23}", "|" + func.RemainderTerm);
Console.Write("{0, -3}", "| ");
Console.WriteLine();
}
Console.WriteLine("|________|______|_____________________|______________________|");
int n = func.Calculate(x, Math.Pow(10, -8));
Console.WriteLine(" __________________________________________________________________");
Console.WriteLine("| | | |");
Console.WriteLine("| Xi | Abs Error | Remainder Term |");
Console.WriteLine("|_____________________|_____________________|______________________|");
for (int i = 0; i < 11; i++)
{
double arg = Xi(a, b, i);
func.Calculate(new xDivided(arg), n);
Console.Write("{0, -22}", "| " + arg);
Console.Write("{0, -22}", "|" + func.AbsoluteError);
Console.Write("{0,-23}", "|" + func.RemainderTerm);
Console.Write("{0, -3}", "| ");
Console.WriteLine();
}
Console.Write("|_____________________|_____________________|______________________|");
Console.ReadKey();
}
public void Calculate(xDivided arg, int N)
{
double Term = 1, SeqSum = 1;
int k = 0;
while (k < N - 1)
{
Term *= arg.entire / (++k);
SeqSum += Term;
}
SeqSum -= Term;
if (arg.entire < 0) // if sign changes then abs(Rn) < abs(first thrown out)
{
Term *= arg.entire / (k + 1); // so we pick next one as R(n)
}
RemainderTerm = Term;
Value = SeqSum;
AbsoluteError = Math.Abs(Math.Abs(Math.Exp(arg.entire)) - Value);
}
public int Calculate(xDivided arg, double E)
{
double SumOfSeq = 1;
RemainderTerm = 1;
int k = 0;
while (Math.Abs(RemainderTerm) > E)
{
RemainderTerm *= (arg.entire) / (++k);
SumOfSeq += RemainderTerm;
}
Value = SumOfSeq - RemainderTerm;
if (arg.entire < 0) // if sign changes then abs(Rn) < abs(first thrown out)
{
RemainderTerm *= (arg.entire) / (k + 1); // so we pick next one as R(n)
}
AbsoluteError = Math.Abs(Math.Abs(Math.Exp(arg.entire)) - Value);
N = k + 1;
return(N);
}
