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- finite initial population size 有限初始群体大小
- Self-adjusting crossover and mutation rate are used and the initial population and population size are determined based on space division in this algorism. 为此,本文提出一种基于空间分割的遗传算法及初始种群产生和种群数量确定方法,并根据有关文献,提出一种自适应交叉、变异率方法。
- Additionally, mathematics formula about the relation of problem size and initial population size is presented; 此外,给出了一个问题规模和初始种群规模关系的数学公式,通过问题规模来确定种群规模;
- The ratio of sample size to population size. 抽样规模与人口规模的比率。
- The crash reduces the population size toward the original level. 随着暴跌,导致种群数量回到它的初始水平。
- Chinese Population Size: How many people are suitable? 中国人口数量:究竟多少亿才合适?
- Population size:Approximately 40,OOO brood sows in 1981. 数量:1981年有繁殖母猪4万头。
- Two fundamental problems of GA: How does mutation aff ect the optimization progress wes aimed at solving And what should be the appro priate mutation possi bility in a finite population size. 基于概率论,对遗传算法有限种群条件下,进化过程中变异对于优化进程的影响问题;
- Change tracking population requires an initial population of the full-text in question. 更改跟踪填充要求对相应的全文进行了初步填充。
- Feel free to start with different population sizes. 您可以自由选择不同的人群大小开始。
- Relative to its population size and qualitywise. Korea has the best army. 相对于它的人口数量和质量,韩国有最好的军队
- In PGA, genetic operation is simpler and the initial population need not to be varied and there is not immature convergence. 它具有遗传操作简单 ,不要求初始群体的广泛多样性 ,不存在“早熟收敛”现象等特点 ,非常适合于求解组合优化问题。
- No trade-off between increases in living standards and population size. 不再需要在生活水准与人口之间取舍。
- DEGA searches all over the solution space as far as possible by lowering the affinities among the individuals of the initial population. 首先降低初始群体中各个体之间的亲和度,使得搜索尽可能遍历整个解空间。
- It also designs specialized genetic operator based on improved GA performance and adopts new initial population selection method. 同时从改进遗传算法性能的角度出发,设计了专门的遗传算子,并采用了新的初始种群选择方法。
- Observations on population dynamics of M.incognita showed that the multiplication rate decreased as the initial population density increased. 对南方根结线虫在烟草上的种群动态分析表明:随着线虫初始密度的增加,线虫繁殖率下降,二者呈指数关系。
- The multi-start 2-nearest neighbor searcher is presented for the construction of the initial population and a new adaptive heuristic mutation is adopted. 提出了多起点2-最近点搜索算法进行初始种群的构造,采用了一种新的自适应启发式变异方法,显著改善了原有遗传算法的搜索能力。
- The circumstances most likely to elicit advanced cultural behaviors, McBrearty and others hypothesize, were those related to increased population size. 麦克布里雅蒂等人假定,最能引发先进文化行为的情境,都与人口膨胀有关。
- The mean effective population size could be estimated as a harmonic means of the Ne. 估计出平均有效种群大小,作为所有世代ne的调和平均值。
- To evaluate the effects of drift in the classical sense, the population size should be known. 要用正统含义估计播迁的效益,就应知道种群的大