遺傳算法及優(yōu)化問題重要有代碼-資料下載頁
2025-03-26 04:39本頁面
【正文】 ulationFitness/SumPopulationFitness?！境绦蛘f明】子程序 用于計(jì)算群體中每個染色體的入選概率，輸入?yún)?shù)為群體中染色體的適應(yīng)函數(shù)值PopulationFitness．附錄8：子程序 function NewPopulation=Select(Population,PopulationProbability,MemberNumber)CProbability(1)=PopulationProbability(1)。for i=2:MemberNumber CProbability(i)=CProbability(i1)+PopulationProbability(i)。endfor i=1:MemberNumber r=rand(1)。 Index=1。 while rCProbability(Index) Index=Index+1。 end NewPopulation(i,:)=Population(Index,:)。end【程序說明】子程序 根據(jù)入選概率（計(jì)算累計(jì)概率）在群體中按比例選擇部分染色體組成種群，該子程序的3個輸入?yún)?shù)分別為：群體Population，入選概率PopulationProbability，群體中染色體的個數(shù)MemberNumber．附錄9：子程序 function NewPopulation=Crossing(Population,FunctionFitness,MinX,MaxX,MumberLength)%%PopulationFitness=%% Fitness(Population,FunctionFitness,MinX,MaxX,MumberLength)。%%PopulationProbability=Probability(PopulationFitness)。%%[SortResult,SortSite]=sort(PopulationProbability)。%%Population=Population(SortSite,:)。Dim=size(Population)。if Dim(1)=3 Temp=Population(Dim(1),:)。 Population(Dim(1),:)=Population(Dim(1)1,:)。 Population(Dim(1)1,:)=Temp。endfor i=1:2:Dim(1)1 SiteArray=randperm(Dim(2))。 Site=SiteArray(1)。 Temp=Population(i,1:Site)。 Population(i,1:Site)=Population(i+1,1:Site)。 Population(i+1,1:Site)=Temp。endNewPopulation=Population?！境绦蛘f明】子程序 用于群體中的交叉并產(chǎn)生新群體．其輸入?yún)?shù)為：Population, FunctionFitness，MinX，MaxX，MumberLength．附錄10：function NewPopulation=Mutation(Population,MutationProbability)Dim=size(Population)。for i=1:Dim(1) Probability=rand(1)。 Site=randperm(Dim(2))。 if ProbabilityMutationProbability if Population(i,Site(1))==1 Population(i,Site(1))=0。 end if Population(i,Site(1))==0 Population(i,Site(1))=1。 end endendNewPopulation=Population。【程序說明】．輸入?yún)?shù)為：群體Population和變異概率MutationProbability．附錄11：function [NewPopulationIncludeMax,CurrentBest,EachGenMaxFitness]=Elitist(Population,PopulationFitness,MumberLength)global Count CurrentBest。[MinFitness,MinSite]=min(PopulationFitness)。[MaxFitness,MaxSite]=max(PopulationFitness)。EachGenMaxFitness=MaxFitness。if Count==1 CurrentBest(1:MumberLength)=Population(MaxSite,:)。 CurrentBest(MumberLength+1)=PopulationFitness(MaxSite)。else if CurrentBest(MumberLength+1)PopulationFitness(MaxSite)。 CurrentBest(1:MumberLength)=Population(MaxSite,:)。 CurrentBest(MumberLength+1)=PopulationFitness(MaxSite)。 endPopulation(MinSite,:)=CurrentBest(1:MumberLength)。endNewPopulationIncludeMax=Population?！境绦蛘f明】（“優(yōu)勝劣汰”思想）．輸入?yún)?shù)為：群體Population, 目標(biāo)函數(shù)值PopulationFitness和染色體個數(shù)MumberLength．山水是一部書，枝枝葉葉的文字間，聲聲鳥鳴是抑揚(yáng)頓挫的標(biāo)點(diǎn)，在茂密縱深間，一條曲徑，是整部書最芬芳的禪意。春風(fēng)翻一頁，桃花面，杏花眼，柳腰春細(xì)；夏陽讀一頁，薔花滿架，木槿錦繡、合歡幽香、蜀葵閑澹，一派崢嶸；秋風(fēng)傳一頁，海棠妝歡，野菊淡姿，高遠(yuǎn)深邃；冬雪潤一頁，水仙臨水一舞，臘梅素心磬口，向愛唱晚。 專業(yè)資料 值得擁有
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