public static void Plot(double[] xx, double[] yy, String title)
{
int xMin = (int)Math.Floor(xx.Min());
int xMax = (int)Math.Ceiling(xx.Max());
int yMin = (int)Math.Floor(yy.Min());
int yMax = (int)Math.Ceiling(yy.Max());
Plot(xx, yy, xMin, xMax, yMin, yMax, title);
}