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English translation for "多峰的"

multimodal
peaky
Example Sentences:
1.Then , analyzed from calculation methods , this model is a type of knapsack problem with restrictions between lower - limit and upper - limit , which is a discontinuous and multi - maximum complicated problem
然后从计算方法上,将该贷款组合优化问题归结为一类有上下限的非连续、多峰的特殊背包问题。
2.But in fact , in the design of the deep excavations , which deals with many factors , the variables are discrete and the aim function has more than one peak value . so the traditional optimal methods often run into the local optimal value
实际上,在深基坑工程设计中,涉及因素很多,变量是离散的,目标函数也是多峰的,利用传统的优化方法,往往使算法陷入局部最优解。
3.But , pso convergence ' s speed become slow in latter iterative phase , and pso is easy to fall into local optimization . at present , some scholars improve base pso mostly using 3 methods : disperse algorithm , increase convergence speed , enhance particle ' kinds . in the paper , i put forward 2 methods aiming at local best resutl but not whole best result . i modify base pso using the last method . some scholars put forward times initializations , so i select best result after circulating some times to be a parameter of formula . first , put particle into some small region , and ensure every region having one paticle at least . second , every region ' s particle has probability transfer other regions . although increase running time , enhance particle ' kinds , decrese the probability of convergence far from whole best result . nerms ( network educational resource management system ) is one of the research projects in the science and technology development planning of jilin province . the aim of nerms is to organize and manage various twelve kinds of network educational resources effectively so that people can share and gain them easily and efficiently , so as to quicken the development of network education
但粒子群算法仍存在如下不足:首先在多峰的情况下,粒子群有可能错过全局最优解,远离最优解的空间,最终得到局部最优解;其次在算法收敛的情况下,由于所有的粒子都向最优解的方向群游,所有的粒子趋向同一,失去了粒子间解的多样性,使得后期的收敛速度明显变慢,同时算法收敛到一定精度时,算法无法继续优化,本文对原始粒子群算法提出了二点改进方案: 1 .算法迭代到一定代数后,把此时找到的全局最优解当作速度更新公式的另一参数(本文称之为阶段最优解)再进行迭代; 2 .每次迭代过程中除最优解以外的每个粒子都有一定概率“变异”到一个步长以外的区域,其中“变异”的粒子在每一维上都随机生成一个步长。
Similar Words:
"多份合约工程" English translation, "多份剂量容器" English translation, "多愤恨不平的" English translation, "多粪" English translation, "多峰" English translation, "多峰分布" English translation, "多峰分布, 多重模 态分布" English translation, "多峰监视器" English translation, "多峰曲线" English translation, "多峰式水文过程线" English translation