解释一下代码的意思:empty.position = []; empty.cost = []; empty.rank = []; empty.domination = []; empty.dominated = 0; empty.crowdingdistance = []; pop = repmat(empty, npop, 1);
时间: 2024-03-04 07:54:14 浏览: 86
这段代码主要是用于初始化一个种群(population)的数据结构。下面逐行解释:
1. `empty.position = []; empty.cost = []; empty.rank = []; empty.domination = []; empty.dominated = 0; empty.crowdingdistance = [];`:这行代码定义了一个结构体(empty),包含了五个空数组和一个整数值。这些数组和整数值分别用于存储粒子的位置、成本、等级、支配情况、被支配次数和拥挤距离等信息。
2. `pop = repmat(empty, npop, 1);`:这行代码使用MATLAB中的`repmat`函数,将初始化好的结构体(empty)复制了npop次,生成了一个大小为npop x 1的种群(pop)数组。这个数组中的每个元素都是一个结构体,用于表示一个粒子的信息。这里的npop表示种群中的粒子数目。
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