查询词典 integer linear optimization

The model definition language and the model manipulation language, which are suited for representing mechanical optimization models, are also studied. To choose the optimization methodic softwares, the characteristics of different programs have to be understood deeply, so it is needed to evaluate related programs.

机械优化设计模型是有前处理过程的复杂模型，模型的管理和存贮是计算机辅助建模的关键，为此，又研究了适合于描述机械优化模型和方便智能化处理的模型定义语言和模型操作语言，并建立了相应的模型库管理系统。

In allusion to the NP complete problem of multi objective optimization of QoS routing, the purpose of this paper is to find the most optimum solution of the routing optimization in a sense of Grey fuzzy within multinominal time.

针对QoS路由多目标优化的NPC问题，希望在多项式时间内找到QoS路由多目标优化在灰色模糊意义下的最优解。

The objective function of the combination optimization problem is set and an improved mutative scale chaos optimization algorithm is employed to search global optimal value. Thereby the optimal parameters combination are obtained.

对组合优化问题建立目标函数，采用一种改进的变尺度混沌优化算法来搜索全局最优值，从而得到最优的参数组合。

A new heuristic solution algorithm is presented using an improved genetic algorithm. In the improved genetic algorithm, nondifferentiable exact penalty functions are used to transform a constrained optimization problem into a single unconstrained optimization problem, and hybrid crossovers and intermittent are applied to increase the search capability.

设计了基于改进遗传算法的启发式求解算法，该算法借助不可微精确罚函数将约束问题转化为单个无约束问题来解决，采用混合杂交和间歇变异提高算法的搜索能力。

Nevertheless, induced bilevel programming models for the former category usually belong to a subject of nondifferentiable optimization problems, whereas that for the latter category becomes the continuously differentiable optimization problems.

此文首先从模型和算法的角度总结了有关这类问题已有的研究成果，接着介绍有关这方面的最新的研究进展，即如何把用户基于平衡原则下的交通网络优化问题的双层规划模型统一地转换为一个连续可微的单层最优化问题，并设计统一的算法。

As the shape optimization design of structural element sections belong to structural optimization,which has its own traits such as discreteness, nondifferentiable and non-convexity,while the traditional optimal methods are not applicable.

结构截面形状优化设计属于工程结构优化问题，由于工程结构优化问题具有离散性、不可微性和非凸性等特点，而传统的优化算法对所优化的问题往往要求连续、可微、非凹等前提条件，所以已不再适合用于工程结构优化问题的求解。

Therefore based on analysis of the status quo and the bottleneck points of the drilling and completion, effective measures have been put forward, including optimization of casing program, application of UBD and compound drilling, adoption of nonpermeable drilling fluid, diverting technology, rotating while cementing, casing optimization, horizontal drilling and extended reach well technology, etc.

为解决上述问题，在对钻井完井现状和难点进行分析的基础上，提出了有效的应对措施，主要包括优化井身结构，推广应用欠平衡钻井和复合钻井技术，采用非渗透钻井液、屏蔽暂堵技术和旋转固井技术，优选套管射孔完井，开展水平井和大位移井钻井工艺等。

Miscellaneous systems result in the problems of nonsynchronous information,dispersed management,low efficiency etc.,even the optimization of each system can not attain the optimization of whole essentially.

系统的繁杂带来了系统之间信息不同步、管理散乱、效率低下等问题，即使各个系统的最优也并不一定能达到整体最优。

Among the methods of on-line optimization of basic control param eters,global optimization is an advanced technology.

针对一定的测试规范进行控制参数的全局优化是一种先进的思想。

It is preliminarily discussed that the concept of fuzzy optimization is introduced into optimization design of tire structure.

对在轮胎结构优化设计中引入模糊优化的概念进行了初步探讨。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样