1、22.114 12.617; 23.670 19.639;23.167 23.413;22.804 27.228;28.400 7.940; 28.870 12.820;28.866 18.521;28.290 23.690;28.304 27.915; 33.976 23.961;37.897 16.702;39.270 11.630;43.500 14.700; 39.854 7.780;52.930 9.170;%S1=0;for m=1:26 S1=S1+sqrt(18.450-a(m,1)2+(17.420-a(m,2)2);end%for i =1:popsize % GApop(
2、i,:)=Code(lenchrom,bound); % fitness(i)=fun(GApop(i,:),a);%bestfitness bestindex=min(fitness);zbest= GApop(bestindex,:);gbest= GApop;fitnessgbest= fitness;fitnesszbest=bestfitness;%for i=1:maxgen i;% GAGApop=Select(GApop, fitness, popsize);%GAGApop=Cross(pc,lenchrom,GApop,popsize,bound);clear %workp
3、lace % %Pz2=0; Pz2=Pz2+55/(18.450-a(m,1)2+(17.420-a(m,2)2);bestfitness bestindex=max(fitness);GApop=Mutation(pm, lenchrom, GApop, popsize,i maxgen,bound);pop= GApop;for j=1: Pz1=fun(pop(j,: if Pz2Pz1 fitness(j)=fun(pop(j,: end%if fitness(j)fitnessgbest(j) gbest(j,:)=pop(j,: fitnessgbest(j) = fitness
4、(j); end%fitnesszbestzbest=pop(j,:fitnesszbest= fitness(j);yy(i)= fitnesszbest;%disp *best coordinate*zbestplot(yy,linewidth,2);title( = num2str(maxgen);xlabel(ylabel(grid on%function Pz1=fun(x,a) Pz1=0; Pz1=Pz1+33/(x(1)-a(m,1)2+(x(2)-a(m,2)2);%function ret=Code(lenchrom,bound)%壬% lenchrom input : 峤
5、% bound input : % ret output : flag=0;while flag=0pick=rand(1,lenchrom);ret=bound(:,1)+(bound(:,2)-bound(:,1) .*pick;flag=test(lenchrom,bound,ret);%function ret=Select(individuals,fitness,sizepop)% % individuals input : % fitness input % sizepop input % opts input : % ret output : fitness=
6、1 ./(fitness);sumfitness= sum(fitness);sumf= fitness ./sumfitness;index= ;for i= 1:sizepop pick=rand; while pick =0 pick=rand; end for j = 1: pick=pick-sumf(j); if pickpcross continue; endwhile flag=0 % while pick=0 pick=rand;pos=ceil(pick .*sum(lenchrom); %濪v1=chrom(index(1),pos)v2=chrom(
7、index(2),pos)chrom(index(1),pos)=pick*v2+(1-pick)*v1;chrom(index(2),pos)=pick*v1+(1-pick)*v2;flag1=test(lenchrom,bound,chrom(index(1),:);flag2=test(lenchrom,bound,chrom(index(2),:if flag1*flag2=0 flag=0;else flag=1;ret=chrom;%function flag=test(lenchrom,bound,code)% lenchrom input : 峤% bound input %
8、 code output %flag=1;n,m=size(code);for i=1:n if code(i)bound(i,2) flag=0;%function ret =Mutation(pmutation, lenchrom, chrom, sizepop, pop,bound)% pmutation input : % lenchrom input % chrom input % sizepop input : % pop input % ret output : % pick=rand; index=ceil(pick*sizepop);% pmutation % pos=ceil(pick*sum(lenchrom);v=chrom(i,pos);v1=v-bound(pos,1);v2=bound(pos,2)-v;if pick0.5 delta=v2*(1-pick(1-pop(1)/pop(2)2); chrom(i,pos)=v+delta;else delta=v1*(1-pick(1-pop(1)/pop(2)2); chrom(i,pos)=v-delta;flag=test(lenchrom,bound,chrom(i,:
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