查询词典 discrete optimization

The examples indicate that the algorithm has strong pertinence and high efficiency, hi the discrete variable optimization, the problem is solved in the relative quotient method On the base of analyzing the relative quotient method, the conjugate gradient direction is used to modify the old search directions, the iterative matrix of the algorithm, and the method to resolve the discrete variable optimization, the relative conjugate difference quotient algorithm is presented.

离散变量优化算法是从相对差商法开始的，在详细分析相对差上法的基础上，用共轭梯度方向修正原有的搜索方向，并对算法的迭代矩阵进行相关的修改，最终形成一种用于求解离散变量优化问题的RCDQ法。

In this paper, no-wait flow shops scheduling problems for a mixed discrete particle swarm optimization, through the establishment of the location of the vector encoding and scheduling program of mapping relations between the continuous particle swarm optimization algorithm is applied to discrete no-wait flow shops scheduling problem.

针对无等待流水线调度问题提出了一种混合离散化粒子群优化算法。通过建立位置矢量编码与调度方案之间的映射关系将连续的粒子群优化算法应用于离散的无等待流水线工件调度问题。

In reliability-based optimization problems of a ship's longitudinal structural design, there are lots of discrete variables and continuous variables. This kind of mixed-discrete non-linear optimization problem containing discrete and continuous variables has long been payed attention to, which is more difficult to solve when a number of reliability constraints are taken into account.

在船舶纵向结构的可靠性优化设计中，含有许多离散型设计变量和连续型设计变量，这种含有两种不同性质设计变量的大型结构物的混和优化问题，一直是人们瞩目的难题，尤其是考虑了多个可靠性约束条件之后，求解这种非线性优化问题就更为困难。

Optimizing the Pumping Parameters(Length of Stroke,Pumping Speed, Plunger diameter and Pump depth) of Sucker-rod Pumping System is a mixed discrete optimization Problem.

优选有杆泵抽油井的抽油参数：冲程、冲次、泵径和下泵深度是一个混合离散变量的优化问题。

The theory, methodology and application of engineering mixed discrete optimization problems are the most ...

工程混合离散变量优化理论、方法与应用，是近代优化设计技术发展的一个非常有实际意义的新分支。

At last, two problems of mixed discrete optimization are solved by the improved genetic algorithms.

最后用改进后的遗传算法求解了两个混合离散变量优化算例。

It is a heuristic algorithm that can be used to solve discrete optimization problems.

模拟退火法的构想源於金属冷却结晶的过程，是一种常用於求解最佳化问题的启发式演算法。

Meanwhile discrete optimization module is developed with PCL language based on Nastran software and several examples are optimized.

同时在MSC公司的Nastran软件平台上利用其 PCL语言开发出优化模块，并进行了算例的优化设计。

Ant algorithm has successfully solved a series of difficult discrete optimization problems.However,its convergence is quite limited.

0引言蚂蚁算法是一种新型的进化算法，已证明其对TSP问题有很好的解决能力[1-3]，但却有容易陷入局部最优的缺陷。

Expert system, Discrete optimization, Parametrization, CAD

专家系统离散优化参数化 CAD

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。