查询词典 discrete optimization problem

The mathematic model of optimization allocation of tolerance values is established. In the model, the objective function of the optimization is production cost-tolerance function, and the constraints of the optimization are equation and inequation in the fifth chapter.

以加工成本—公差函数为目标函数，以第五章的等式和不等式约束为约束条件，建立了公差大小最优分配的数学模型；基于遗传算法研究了形位公差大小的最优分配方法。

A lot of work ranged from algorithm optimization,code optimization to instruction optimization have been done.

我们在该处理芯片基础上做了大量的工作，包括程序移植、算法级优化、代码级优化和指令级优化。

At first this thesis researches the multi-layer tactic of the recurrent optimization of the nonlinear predictive control which converts the optimization with nonlinear dynamic restriction into the optimization with linear dynamic restriction and the repetitive coordination.

在这里引入了大系统理论中的分级递阶思想，将一个一揽子求解的带有动态非线性约束的优化问题转化为由线性约束的优化和迭代协调两个层次组成的分级递阶问题。

The content of this course includes cost benefit analysis method, the basis of optimization theory, one dimension optimization,nonrestraint multi-dimension optimization theory, linear programming, nonlinear programming, dynamic programming, Monte Carlo Method.

课程内容包括工程系统决策分析内容和步骤，费用—效益分析方法及其应用，最优化方法基础，一维搜索方法，无约束的多维搜索方法，非线性规划算法及其应用，线性规划算法及其应用，动态规划及其应用，蒙特卡洛方法及其应用等。

Through analysis and optimization theory discussed in airline revenue management, flight scheduling optimization, fleet planning, Real-time decision-making flight scheduling operations, the application of optimization theory discussed with the airlines in the practical application of effective, given application model and the main flow.

通过分析和讨论优化理论目前在航空公司收益管理、航班优化排班、机队规划、航班实时决策调度等业务中的应用，论述了优化理论与技术在航空公司应用的实际效益，给出了应用的主要模型及流程。

Two optimization schemes, which be used to constructed one-way operator in mixed domain, are described. Firstly, their characters are analyzed, and the relations between optimization method and other methods of constructing one-way operator are given. Then In order to show precision of one-way operator constructed by two optimization methods, The impulses of varying velocity medium and migration results of Marmousi model are presented.

本文着重对混合域中单程波算子构造的两种优化方法进行分析，讨论他们与其他单程波算子构造方法之间相互关系，并用上述方法计算变速介质的脉冲响应及偏移Marmousi模型数据，以此说明该类方法的偏移精度。

The optimizing fracturing design chiefly includes fractures parameter optimization of fracturing wells, the volume of pre-conditioning fluid and preflush, the optimization of pump parameter and program, the optimization of fracturing technology parameters (Optimizing various kinds of proppant, concentration, volume and program and the adding way to optimize the reasonable operation parameters so as to improve the fluid diversion in natural formation fractures and main fractures).

压裂优化设计主要包括压裂井裂缝参数优化；预处理液和前置液用量、泵注参数和程序的优化；压裂工艺参数优化(以提高地层天然裂缝和主裂缝导流能力为目标，优化各种支撑剂类型、浓度、用量和程序，以及加入方式等；优化合理的施工参数)。

Firstly, the meanings of multi-objective and layered optimization is explained in detail and the steady-state optimization based on quadratic programming is presented to solve the multi-objective and layered optimization in the context of two-stage model predictive control formulation.

本文围绕预测控制的滚动优化特点，对预测控制中的若干问题进行了深入研究，在总结目前已有研究成果的基础上做出了有效的改进，提出了自己的创新点。

The meaning of multi-objective and layered optimization is explained in detail and the steady-state optimization based on quadratic programming is presented to solve the multi-objective and layered optimization in the context of two-stage model predictive control formulation.

详细阐述了复杂工业过程的多目标分层优化要求的含义，在预测控制两级分层结构的基础上提出了基于二次规划的定态优化有效求解方法。

Therefore, it is necessary to put forward fast and easy reanalysis methods of structure optimization so as to enhance the efficiency of structure optimization and speed up the optimization process, which is also one the main content of this dissertation.

因此，为了提高整个结构优化设计的效率，加快优化设计的进程，十分有必要研究快速而简便的拓扑优化重分析方法，这也是本文的主要研究内容。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。