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    发布日期: 2021-06-01
  • 语言: Matlab
  • 标签: 人工智能  

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免疫算法代码,包括物流配送地址的案例,可以通过案例进行运行

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代码片段和文件信息

function rets=bestselect(individualsmn)
% 初始化记忆库依据excellence,将群体中高适应度低相似度的overbest个个体存入记忆库
% m                  input          抗体数
% n                  input          记忆库个体数\父代群规模
% individuals        input          抗体群
% bestindividuals    output         记忆库\父代群

% 精英保留策略,将fitness最好的s个个体先存起来,避免因其浓度高而被淘汰
s=3;
rets=struct(‘fitness‘zeros(1n) ‘concentration‘zeros(1n)‘excellence‘zeros(1n)‘chrom‘[]);
[fitnessindex] = sort(individuals.fitness);
for i=1:s
    rets.fitness(i) = individuals.fitness(index(i));   
    rets.concentration(i) = individuals.concentration(index(i));
    rets.excellence(i) = individuals.excellence(index(i));
    rets.chrom(i:) = individuals.chrom(index(i):);
end

% 剩余m-s个个体
leftindividuals=struct(‘fitness‘zeros(1m-s) ‘concentration‘zeros(1m-s)‘excellence‘zeros(1m-s)‘chrom‘[]);
for k=1:m-s
    leftindividuals.fitness(k) = individuals.fitness(index(k+s));   
    leftindividuals.concentration(k) = individuals.concentration(index(k+s));
    leftindividuals.excellence(k) = individuals.excellence(index(k+s));
    leftindividuals.chrom(k:) = individuals.chrom(index(k+s):);
end

% 将剩余抗体按excellence值排序
[excellenceindex]=sort(1./leftindividuals.excellence);

% 在剩余抗体群中按excellence再选n-s个最好的个体
for i=s+1:n
    rets.fitness(i) = leftindividuals.fitness(index(i-s));
    rets.concentration(i) = leftindividuals.concentration(index(i-s));
    rets.excellence(i) = leftindividuals.excellence(index(i-s));
    rets.chrom(i:) = leftindividuals.chrom(index(i-s):);
end

end

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       1669  2010-09-06 09:12  chapter12\bestselect.m

     文件       7910  2010-09-07 10:22  chapter12\centre.fig

     文件        479  2010-09-06 09:46  chapter12\concentration.m

     文件       1294  2010-09-06 14:49  chapter12\Cross.m

     文件       1046  2010-09-06 09:35  chapter12\draw.m

     文件        400  2010-09-06 09:41  chapter12\excellence.m

     文件       9007  2010-09-07 10:22  chapter12\figure.fig

     文件        901  2010-09-07 22:59  chapter12\fitness.m

     文件       4838  2010-09-07 10:24  chapter12\IAdata.mat

     文件       1102  2010-09-06 09:45  chapter12\incorporate.m

     文件       3676  2010-12-28 22:13  chapter12\main.m

     文件       1001  2010-09-06 15:40  chapter12\Mutation.m

     文件        319  2010-09-06 09:39  chapter12\popinit.m

     文件        912  2010-09-06 09:18  chapter12\Select.m

     文件        377  2010-09-06 09:35  chapter12\similar.m

     文件        580  2010-09-06 09:36  chapter12\test.m

     目录          0  2015-07-30 12:29  chapter12

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