查询词典 optimization problem

Mathematically, it can be formulated as Mixed Integer Nonlinear Programming problem that includes both structural and parametric variables optimization.

在数学上，这一问题同时涉及流程结构和操作参数的最优化，属于混合整数非线性规划范畴。

The optimal control problem for the FCC process is solved using the MFNN (multilayer feedforward neural network) for system recognition and modeling, periodogram analysis for model testing, and the advanced Frank-Wolfe algorithm for steady state optimization computation.

为解决催化裂化过程的优化控制问题，采用多层前馈神经网络进行辨识、建模，用周期图检验法对模型检验，用改进的Frank-Wolfe算法进行稳态优化计算，并以大港炼油厂实际生产过程的稳态数据进行试验和验证，说明神经网络适合于解决非线性复杂生产过程的辨识、建模和稳态优化控制问题。

Optimization of planning for drainage system in plain polder area is a complicated multi-dimensional non-linear optimizing problem.

平原圩区除涝排水系统最优规划是一个多维、非线性复杂系统优化问题。

In first part it pays attention to theory study. Afterwards, based on linear programming, we introduce some properties of conic optimization and its dual problem, which are a kind of especial convex programming. In second part, we apply these theories to practice, such as least-squares problems, polynomial solution and approximating covariance matrices, and other aspects .

第一部分是理论研究：在线性规划的基础上重点介绍了一种特殊的凸规划类型——锥规划及其对偶锥规划，并介绍了锥规划及其对偶锥规划的发展及其性质。

On this basis, anoptimization algorithm library named OPTLIB is formed. The study of dynamic optimization theory is followed. To solve the problem of thecoupling of the static and the dynamic parameters of the flying vehicle design, some auxiliaryvariables are introduced to deal with them together. Then the calculus of variation is adoptedand augment form of Pontryagin's Maximum Principle is derived.

研究了飞行器设计中的典型动态优化问题——轨迹优化问题及算法，针对飞行器设计中的静态参数和动态参数互相耦合的问题，引入辅助变量将静态参数和动态参数统一处理，在此基础上用变分法推导了极大值原理的增广形式，证明了单独的静态或动态最优并不等于总体最优。

This dissertation studies optimization models and algorithms in portfolio selection problem.

本文研究证券投资组合的优化模型与算法。

Datang, Putian, ZTE, the firms tripod bridges will be through the network optimization of network planning in the pre-existence of the problem or the emergence of a new analysis of the situation on the tuning parameters of the network, and network planning to reinstate the deviation, and will the future network planning data provide a good reference information.

大唐、普天、中兴、鼎桥等相关厂商将通过网络优化对前期网络规划中存在的问题或出现的新情况进行分析，对网络参数进行调优，并扶正网络规划的偏差，同时将为未来网络规划提供良好的数据参考信息。

By Monte Carlo simulation of stochastic demand, the hybrid simulation-optimization policy is brought forward to solve the model as well as the principle to select size of the sample. Benders decomposition algorithm and its accelerated technique are presented to solve the deterministic equivalent of primal problem.

利用随机需求的蒙特卡洛仿真，提出仿真一优化相结合的模型求解策略以及样本容量的选择法则，针对原问题的等价确定性问题设计Benders分解算法及其改进技术求解。

In the paper, based on the hypothesis that the failure of every poles is independent and by the method of reliability assign and reassign, the difficult problem of disposing the structure system reliability constraints is solved. Based on sensitivity information, the given system failure probability can be replaced by the sum of every element failure probability. And then the structural optimization design based on system reliability is preceded.

针对基于体系可靠性约束优化设计的关键问题一结构体系可靠性的分析和计算，在基于结构各单元失效相互独立假设的基础上，提出了以各单元失效概率之和近似体系失效概率的处理方法，并给出了体系可靠性分配和再分配的方法，以确保结构体系在优化过程中的可靠性，实现了结构基于体系可靠性的优化设计。

Active set method used to solve the problem of quadratic optimization is introduced firstly, which is applied in incremental SVM in further step. So when new

仿真结果表明，在保证训练速度的前提下，充分考虑了新数据对支持向量机模型的影响，提高了故障的在线辨识精度。

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。