public void Centers()
{
Random r = new Random();
for (int i = 0; i < n; i++)
{
int ind = r.Next(0, points.Count - 1);
centers[i] = new PointXY();
centers[i].setX(points[ind].getX());
centers[i].setY(points[ind].getY());
centers[i].setCluster(i + 1);
}
}
public double Dist(PointXY cent, PointXY p)
{
return(Math.Sqrt(Math.Pow((cent.getX() - p.getX()), 2) + Math.Pow((cent.getY() - p.getY()), 2)));
}