//变异
public void Mutation()
{
//double temp = V / 5;
//int mut = (int)Math.Ceiling(temp);
for (int i = 0; i < V; i++)
{
var p = ran.NextDouble();
if (p < pm)
{
encoded[ran.Next(0, V - 1)] = MyMaths.NextDouble(0, 10);
}
}
}
public static void Crossover1(List <Chromosome> waitCrossover)
{
//cBest 不参与交叉
//waitCrossover.Sort();
//var cBest = waitCrossover.First();
//waitCrossover.RemoveAt(0);
//需要交叉的染色体序号
List <int> needChromosomeIndexs = new List <int>();
for (int i = 0; i < waitCrossover.Count - 1; i++)
{
double p = MyMaths.NextDouble(0, 1);
if (p < pc1)
{
needChromosomeIndexs.Add(i);
}
}
//交叉数量不为偶数
if (needChromosomeIndexs.Count % 2 != 0)
{
needChromosomeIndexs.Add(waitCrossover.Count - 1);
}
//进行交叉,直至全部交叉完成
while (needChromosomeIndexs.Count != 0)
{
var index1 = needChromosomeIndexs[ran.Next(needChromosomeIndexs.Count)];
var index2 = needChromosomeIndexs[ran.Next(needChromosomeIndexs.Count)];
while (index1 == index2)
{
index2 = needChromosomeIndexs[ran.Next(needChromosomeIndexs.Count)];
}
Chromosome chromosome = waitCrossover[index1];
chromosome.Cross(waitCrossover[index2]);
needChromosomeIndexs.Remove(index1);
needChromosomeIndexs.Remove(index2);
}
//加入cBest
//waitCrossover.Add(cBest);
}
public double GetFitness()
{
return(MyMaths.Fitness(GetDecoded()));
}
public static void Crossover(List <Chromosome> waitCrossover)
{
//cBest 不参与交叉
waitCrossover.Sort();
var cBest = waitCrossover.First();
waitCrossover.RemoveAt(0);
//Console.WriteLine("cbest:" + string.Join(",", cBest.GetDecoded()));
// int[] seq = new int[V];
// seq = cBest.GetDecoded();
// for (int mm = 0; mm < V; mm++)
// {
// Console.WriteLine("基因" + mm + ":" + seq[mm]);
// }
//需要交叉的染色体序号
List <int> needChromosomeIndexs = new List <int>();
for (int i = 0; i < waitCrossover.Count - 1; i++)
{
double p = MyMaths.NextDouble(0, 1);
if (p < pc)
{
needChromosomeIndexs.Add(i);
}
}
//交叉数量不为偶数
if (needChromosomeIndexs.Count % 2 != 0)
{
needChromosomeIndexs.Add(waitCrossover.Count - 1);
}
Console.WriteLine("待交叉染色体：" + waitCrossover.Count);
//进行交叉,直至全部交叉完成
while (needChromosomeIndexs.Count != 0)
{
var index1 = needChromosomeIndexs[ran.Next(needChromosomeIndexs.Count)];
var index2 = needChromosomeIndexs[ran.Next(needChromosomeIndexs.Count)];
while (index1 == index2)
{
index2 = needChromosomeIndexs[ran.Next(needChromosomeIndexs.Count)];
}
Console.WriteLine("编号：" + index1 + "," + index2);
//
// Console.WriteLine("第一条"+ string.Join(",", waitCrossover[index1].encoded));
// Console.WriteLine("第二条"+ string.Join(",", waitCrossover[index2].encoded));
Console.WriteLine("第一条" + string.Join(",", waitCrossover[index1].GetDecoded()));
Console.WriteLine("第二条" + string.Join(",", waitCrossover[index2].GetDecoded()));
Console.WriteLine("Cross");
Chromosome chromosome = waitCrossover[index1];
chromosome.Cross(waitCrossover[index2]);
// Console.WriteLine("交叉后第一条"+ string.Join(",", waitCrossover[index1].encoded));
// Console.WriteLine("交叉后第二条"+ string.Join(",", waitCrossover[index2].encoded));
Console.WriteLine("交叉后第一条" + string.Join(",", waitCrossover[index1].GetDecoded()));
Console.WriteLine("交叉后第二条" + string.Join(",", waitCrossover[index2].GetDecoded()));
needChromosomeIndexs.Remove(index1);
needChromosomeIndexs.Remove(index2);
}
//加入cBest
//Console.WriteLine("交叉后染色体："+waitCrossover.Count);
waitCrossover.Add(cBest);
//Console.WriteLine("cbest:" + string.Join(",", waitCrossover.Last().GetDecoded()));
//Console.WriteLine("总染色体："+waitCrossover.Count);
}
