private void UpdatePheromenes()
{
for (int i = 0; i <= pheromones.Length - 1; i++)
{
for (int j = i + 1; j <= pheromones[i].Length - 1; j++)
{
for (int k = 0; k <= ants.Length - 1; k++)
{
// length of ant k trail
double decrease = (1.0 - ACOExample.rho) * pheromones[i][j];
double increase = 0.0;
if (ACOExample.EdgeInTrail(i, j, ants[k]) == true)
{
double length = ACOExample.Length(ants[k], dists);
increase = (ACOExample.Q / length);
}
pheromones[i][j] = decrease + increase;
if (pheromones[i][j] < 0.0001)
{
pheromones[i][j] = 0.0001;
}
else if (pheromones[i][j] > 100000.0)
{
pheromones[i][j] = 100000.0;
}
pheromones[j][i] = pheromones[i][j];
}
}
}
}
private double Length(int[] path)
{
return(ACOExample.Length(path, dists));
}