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25 lines
656 B
25 lines
656 B
function [idx1,idx2] = selection(PopulationSize,FitnessSum,PopulationFitness,Index)
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%轮盘赌法，确定要交叉的父母编号
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%确定要交叉的父亲序号
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m1=0;
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r1=rand*FitnessSum;
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for k=1:PopulationSize
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m1=m1+PopulationFitness(k);
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if r1<=m1
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idx1=Index(k);
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break;
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end
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end
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%确定要交叉的母亲序号
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m2=0;
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r2=rand*FitnessSum;
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for k=1:PopulationSize
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m2=m2+PopulationFitness(k);
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if r2<=m2
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idx2=Index(k);
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break;
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end
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end
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end
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