查询词典 optimization problem

We give a two-parameter penalty function and its exact penalty theorem for inequation constrain- ed optimization,meanwhile,We propose a quasi Newton algorithmfor solving the unconstrained nonlinear penalty problem and study its convergence,Numerical examples illustrate the feasibility of the algorithm.

对于含约束不等式的优化问题，构造双参数精确罚函数并给出精确罚定理，提出了一个求解这种罚函数问题的布鲁丹族拟牛顿算法，研究了算法的收敛性与收敛速度，并进行了数值试验，证明了可行性。

However,the conventional optimization methods and interior point methods can not detect effectively this infeasibility problem.

采用常规的优化方法或内点方法还不能有效地检测出这种不可行问题。

For the problem of value iteration optimization of the compact action set in semiMarkov decision process, a unified standard VI algorithm directly based on the equivalent infinitesimal generator under both discount and average criteria was proposed with the proof of convergence.

针对半Markov决策过程在紧致行动集上的数值迭代优化，提出了折扣和平均准则下直接基于等价无穷小生成子的统一的标准数值迭代算法，并证明了其收敛性。

The results show that the cultivated land area in Wanzhou will slightly decreased while the construction land will slightly increased,forest land will increased dramatically,and it is difficult to improve the ecosystem service value by single increasing the wetland area.Grassland ecological restoration and increasing orchard area will improve the ecosystem service value by comprehensive treatment of geological hazards and soil loss.The ecosystem service theory value in Wanzhou is 11.89 billion yuan each year,the correction value is 10.64 billion yuan each year,and the present value is 9.65 billion yuan each year.This shows the ecological restoration has good economical efficiency.The optimization of land use structures based on ecosystem service value could satisfy the development of social economy with land demand,and realized the benefit of ecology and economy inphase,the study supported a new way to solve the key technical problem in land use programming in China.

计算结果表明：（1）规划期内万州区耕地面积略有减少，建设用地面积有所增加，林地面积有较大幅度增加，大规模增加湿地面积提高土地生态功能价值则难以实现；（2）地质灾害与水土流失综合治理、草地生态系统修复以及适当增加园地面积，能够提高万州区土地生态功能价值；（3）万州区土地生态经济理论价值为11888亿元/a，修正价值为10644亿元/a，均高于现状值9653亿元/a，土地生态修复与建设的生态经济效益可观；（4）基于生态系统服务价值的土地利用结构优化，能够满足社会经济发展对土地的需求并同步实现生态经济效益的最优，为解决土地利用规划中的关键技术问题提供新的方法。

The logical topology design problem is formulated as an integer linear programming, whose optimization objective is to maximize the carried load of the logical topology.

光突发交换网络逻辑拓扑设计问题用一个线性规划模型描述，优化的目标是给定物理拓扑和源宿结点对间的业务量强度，使逻辑拓扑能够承载的业务量最大。

To solve the grouping reviewer problem of social examination, a nonlinear 0-1 integer programming with multi-objectives optimization is presented. Its two objectives are to minimize the total error rate and to maximize the total reviewing speed.

针对社会考试的考卷评阅人的优化分组问题，建立了一个多目标的非线性0-1整数规划的优化模型，其目标是极小化阅卷差错率的同时极大化阅卷速度。

The Lyapunov theorem and Lasalle invariance principle are applied to optimization sub-problem in augmented Lagrange multiplier method.

3.3同时本文还给出了一种基于基因算法和传统优化算法相结合的途径解决连续的MINIMAX优化问题。

A pre-diagnosis system of cardiac diseases is to provide the initial heart model parameters for the optimization system in this new method of the ECG's inverse problem and to limit the searching space of the heart model parameters.

心脏疾病的预诊断为优化系统提供初值，并将优化系统的模型参数搜索空问限制在一定的范围内。

Knap problem ; artificial neural network ; energy function ; combinatorial optimization

背包问题；神经网络；能量函数；组合优化

In the present paper,the problem is solved with a multi-objective genetic algorithm optimization method combined with linear programming and a group of Pareto solutions are provided.

因此，同时考虑设备及原料费用和环境影响的间歇化工过程多目标优化，具有重要的意义。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。