tema 0 genetici

package ga.t0;
import java.util.Random;
import static java.lang.Math.pow;


public class GAT0 {
    public double  Beale(double x1,double x2)
    {

        double rez;
        rez= (double) (double) ((double) pow((1.5-x1+x1*x2),2) + pow((2.25-x1+x1*x2*x2),2) + pow((2.625-x1+x1*x2*x2*x2),2));
        System.out.print("Rezultatul functiei Beale este:");
        System.out.println(rez);
        System.out.println('\n');
        return rez;
    }


    public Random random = new Random();
    public double nextDouble(double min, double max)
    {

       double x = min + random.nextDouble() * (max - min);
       System.out.print("Numar Generat:");
       System.out.println(x);
       return x;

       //System.out.print(min + random.nextFloat() * (max - min));
    }



    public static void main(String[] args)
    {

         GAT0 d = new GAT0();
         //d.Beale(0, 0);
         double min=1000000,max=-1000000;
         for(int i=1;i<=3;i++)
         {
             double p = d.Beale(d.nextDouble(-4.5,4.5),d.nextDouble(-4.5,4.5));
             if(p>max)
                 max = p;
             else
                 if(p<min)
                     min = p;

        // d.Beale(d.nextDouble(-4.5,4.5),d.nextDouble(-4.5,4.5));
         }

         System.out.print("Minimul functiei este ");
         System.out.println(min);
         System.out.print("Maximul functiei este ");
         System.out.println(max);
    }
}