查询词典 acceleration of convergence

In this article it raises a mathematical model for this problem according to the practical experiences of production, and unifies simulated annealing algorithm with genetic algorithm in view of the model to solve the fast convergence problem and weak partial searching ability problem in genetic algorithm.

根据生产上的实际经验提出了问题的数学模型，针对该模型，将遗传算法和模拟退火算法结合，解决了遗传算法的收敛过快以及局部搜索能力不强的问题。

When GA are used in solving real engineering optimal problems, such disadvantages as premature convergence or weak ability of local search will occur.

但是在遗传算法的实际工程优化应用中，常常存在早熟收敛和收敛性能差等问题。

Ants may be small, but together many ants can drag a lot of bones; a person's strength may be small, but many of the strength of weak convergence can be overwhelming, to overcome all!

蚂蚁虽小，但许多蚂蚁团结在一起，能拖动一根很大的骨头；一个人的力量虽小，但许多微弱的力量汇合在一起，就能排山倒海，战胜一切！

We show that the solutions for the HARA utility are stable in the sense of weak convergence when the parameters vary in a suitable way.

当效用函数为HARA、指数和对数型时，我们分别得到了最优投资的显式解，并且证明了当HARA效用函数中的参数变化时所对应的最优策略在弱收敛意义下的稳定性。

Premature convergence and weak local optimization are two key problems existing in the conventional genetic algorithm. To overcome the shortcomings, an improved genetic algorithm based on the particle swarm algorithm is proposed.

针对传统遗传算法中存在的易陷入局部最优解和后期收敛速度慢的问题，基于粒子群算法，对传统遗传算法作了改进，提出了一种基于粒子群算法的遗传算法。

Chapter 3: Using spectral projected gradient method and a new nonmonotone line search technique, we propose a algorithm for solving the trust region subproblem. Under weak conditions, the global convergence is established.

第三章：利用谱投影梯度方法与一个新的非单调线搜索技术给出了求解信赖域子问题的一个方法，在一般的假设条件下获得了方法的全局收敛性。

For complex multi-peaks function with high dimensions, the classical PSOA has some serious disadvantages such as slow convergence and weak ability of local search.

在求解高维空间中复杂多峰函数的优化问题时，传统的粒子群算法在收敛速度和局部搜索能力等方面表现出严重不足。

According to the characteristics of strong global search, but weak local search and slow convergence of genetic algorithm, this paper proposed a new hybrid algorithm which combined GA and PSO, and applied it successfully to automatic software test data generation.

针对遗传算法具有较强的全局搜索能力，但局部搜索能力较弱，且收敛速度慢的特点。将遗传算法与粒子群算法结合起来形成新的混合算法，并成功应用到软件测试数据自动生成过程中。

In an appropriate condition,the βn,σn of their asymptotic normalities and the gn of optimal weak convergence rate were obtained.

在适当的条件下，得到^βn，^nσ的渐近正态性和^gn最优弱收敛速度

Genetic arithmetic is a evolutional algorithm with stochastic search technology, it is also has the shortcomings with the prematurity ,slow on the convergence rate ,weak in the ability of local search ,which is appeared on the process of utilizing.

遗传算法是一种具有随机搜索技术的进化算法，但在运用过程中出现早熟、收敛速度慢、局部搜索能力差的缺点。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。