genetic-algorithm - 遗传算法中的轮盘选择

Question

任何人都可以提供一些轮盘赌选择函数的伪代码吗？我将如何实现这个:

我真的不明白如何阅读这个数学符号。我从来没有做过任何概率或统计。

Answer 1

我自己这样做已经有几年了，但是在谷歌上很容易找到以下伪代码。

for all members of population    sum += fitness of this individualend forfor all members of population    probability = sum of probabilities + (fitness / sum)    sum of probabilities += probabilityend forloop until new population is full    do this twice        number = Random between 0 and 1        for all members of population            if number > probability but less than next probability                 then you have been selected        end for    end    create offspringend loop

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