优化问题

The simulation and optimization of three-phase nonequilibrium model are discussed.

本文主要研究了填料塔精馏过程的三相非平衡模型建模、仿真和优化问题，并进行了一系列实验验证，具体内容包括： 1。

And many multi-objective evolution algorithms have emerged in large numbers, such as SPEA、PESA、NPGA and so on. Making use of evolution algorithm to solve multi-objective problems have gradually become a hot issue and the most important research area.

目前涌现出了很多种多目标进化算法，比如SPEA、PESA、NPGA等，利用进化算法求解多目标优化问题逐渐成为一个热点和重要研究领域。

In this dissertation, we mainly dicuss the applications of semidefinite programming in combinatorial optimization.

本论文主要讨论半定规划在组合优化问题里的应用。

Using semidefinite programming relaxation and randomized rounding, we give the corresponding polyniomal approximation algorithms for some NP-hard combinatorial optimization problems.

我们对于一些NP-难的组合优化问题，采用半定规划松弛和随机舍入的方法设计了多项式时间的近似算法，这些算法的性能比都是目前为止最好的结果。

In addition, the seres basic control incorporates the basic control modes of UPFC series element through weighting factors, which may quantify the optimization of multi-function of UPFC in multi-machine systems.

在UPFC串联侧的基本控制中，引入了加权组合形式的合成控制，为UPFC多功能优化问题在多机系统中的定量化提供了可能的途径。

The goals of tactical SITIO problem are to determine the distributing period, the allocation of inventory and the optimal vehicle routing.

战术层的随机联合优化问题主要是以确定配送时间间隔、配送量和最优配送路线为目标。

Earliness/tardiness scheduling problem in flow shop ;2. The integrated optimization of equal size sublot streaming and sublot-intermingling scheduling in a multi-product and multi-machine flow shop was discussed.

讨论了一类多产品多机流水车间等规模子批量流与混排序的集成优化问题，以最小完工时间为目标函数建立了非线性混合整数规划模型，利用遗传算法+仿真的策略求解。

In each subperiod, the DUMOP is seen as a static multi-objective optimization problem by taking the time parameter fixed.

该方法首先将DUMOP的时间变量区间进行了等间隔分割，在每个子区间上把DUMOP近似为静态多目标优化问题。

To locate the critical failure surface of slope, and achieve the surface geometric parameters is a real challenge to engineers, especially in some complex slope geo-conditions, for the sake of its tanglesome multifactor and nonlinearity.

许多复杂的边坡稳定性分析中，边坡潜在危险滑动面的搜索是个重要而又非常复杂的非线性优化问题。

Some technical solutions to the optimization unfeasibility are proposed.

提出递推QP算法求解二次型性能目标非线性约束MPC优化问题。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。