debest2exp.java

Differential Evolution(JAVA)

package DeApp1.de;
			 

public class DEBest2Exp extends DEStrategy
/***********************************************************
**                                                        **
** One of the best strategies. F=0.5 is often appropriate.**
**                                                        **
** Authors:            Mikal Keenan                       **
**                     Rainer Storn                       **
**                                                        **
***********************************************************/
{
  public void apply (double F, double Cr, int dim, double[]x, double[]gen_best,
  double[][]g0)
  {
    prepare (dim);
    do
    { 
      x[i] = gen_best[i] + F * (g0[0][i]+g0[1][i]-g0[2][i]-g0[3][i]);
      i = ++i % dim;
    } while ((deRandom.nextDouble() < Cr) && (++counter < dim));
  }
}