RosettaCodeData/Task/Nth-root/C-sharp/nth-root.cs

22 lines
426 B
C#

static void Main(string[] args)
{
Console.WriteLine(NthRoot(81,2,.001));
Console.WriteLine(NthRoot(1000,3,.001));
Console.ReadLine();
}
public static double NthRoot(double A,int n, double p)
{
double _n= (double) n;
double[] x = new double[2];
x[0] = A;
x[1] = A/_n;
while(Math.Abs(x[0] -x[1] ) > p)
{
x[1] = x[0];
x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1)));
}
return x[0];
}