Exemplo n.º 1
0
        private void getTwoParent(double[] fitlst)
        {
            //确定两个父代精英
            //找出fitlst的最大值对应的index
            int    laIndex = 0;
            double lav     = fitlst[0];

            for (int i = 0; i < fitlst.Length; i++)
            {
                if (lav < fitlst[i])
                {
                    lav     = fitlst[i];
                    laIndex = i;
                }
            }

            parent1 = new chrom(Chroms[laIndex].args, _ub, _lb, _gn);

            //找出次大值
            int    laIndex2 = 0;
            double lav2     = fitlst[0];

            if (laIndex == 0)
            {
                laIndex2 = 1;
                lav2     = fitlst[1];
            }

            for (int i = 0; i < fitlst.Length; i++)
            {
                if (lav2 < fitlst[i] && laIndex != i)
                {
                    lav2     = fitlst[i];
                    laIndex2 = i;
                }
            }

            parent2 = new chrom(Chroms[laIndex2].args, _ub, _lb, _gn);
            //Console.WriteLine(lav +";"+lav2 );
        }
Exemplo n.º 2
0
        //生成两个子代
        private void geTwoChild(chrom p1, chrom p2)
        {
            //根据parent1和parent2进行交叉,然后各自变异,生成两个子代
            double[] cdata1 = new double[_n];
            double[] cdata2 = new double[_n];

            Random rnd = new Random();

            //以一定的概率进行交叉
            if (rnd.NextDouble() <= _pr)
            {
                double r;
                for (int i = 0; i < _n; i++)
                {
                    r         = rnd.NextDouble();
                    cdata1[i] = r * p2.args[i] + (1 - r) * p1.args[i];
                    cdata2[i] = r * p1.args[i] + (1 - r) * p2.args[i];
                }
            }
            else
            {
                cdata1 = p1.args;
                cdata2 = p2.args;
            }

            child1.args = cdata1;
            child2.args = cdata2;


            //以一定概率进行变异
            if (rnd.NextDouble() <= _pm)
            {
                child1.toMut(k);
                child2.toMut(k);
            }
        }
Exemplo n.º 3
0
        private void getTwoParent(double[] fitlst)
        {
            //确定两个父代精英
            //找出fitlst的最大值对应的index
            int laIndex = 0;
            double lav = fitlst[0];
            for (int i = 0; i < fitlst.Length; i++)
            {
                if (lav < fitlst[i])
                {
                    lav = fitlst[i];
                    laIndex = i;
                }
            }

            parent1 = new chrom(Chroms[laIndex].args, _ub, _lb, _gn);

            //找出次大值
            int laIndex2 = 0;
            double lav2 = fitlst[0];
            if (laIndex == 0)
            {
                laIndex2 = 1;
                lav2 = fitlst[1];
            }

            for (int i = 0; i < fitlst.Length; i++)
            {
                if (lav2 < fitlst[i] && laIndex != i)
                {
                    lav2 = fitlst[i];
                    laIndex2 = i;
                }
            }

            parent2 = new chrom(Chroms[laIndex2].args, _ub, _lb, _gn);
            //Console.WriteLine(lav +";"+lav2 );

        }
Exemplo n.º 4
0
        //生成两个子代
        private void geTwoChild(chrom p1, chrom p2)
        {
            //根据parent1和parent2进行交叉,然后各自变异,生成两个子代
            double[] cdata1 = new double[_n];
            double[] cdata2 = new double[_n];

            Random rnd = new Random();

            //以一定的概率进行交叉
            if (rnd.NextDouble() <= _pr)
            {
                double r;
                for (int i = 0; i < _n; i++)
                {
                    r = rnd.NextDouble();
                    cdata1[i] = r * p2.args[i] + (1 - r) * p1.args[i];
                    cdata2[i] = r * p1.args[i] + (1 - r) * p2.args[i];
                }

            }
            else
            {
                cdata1 = p1.args;
                cdata2 = p2.args;
            }

            child1.args = cdata1;
            child2.args = cdata2;


            //以一定概率进行变异
            if (rnd.NextDouble() <= _pm)
            {
                child1.toMut(k);
                child2.toMut(k);
            }

        }