查询词典 exchange algorithm

A modified differential evolution algorithm was presented. In the proposed algorithm, the difference vector, which is employed in mutating each individual by simple differential evolution algorithm, was recorded. Each mutated individual was taken as the center of a neighborhood, the corresponding difference vector as radius.

提出了一种改进的差分演化算法，该算法记录下了差分演化算法在对每个个体进行变异操作时的差向量，然后以被变异的个体作为邻域的中心，以所记录的差向量作为邻域的半径，再在这个邻域内进行一次挖掘式的搜索。

Genetic Algorithm is a random search algorithm imitating Biological genetics, and a kind of global optimization algorithm, one of the main approaches of evolutionary computation.

遗传算法是一种模仿生物遗传机制的随机搜索算法，它是一种全局优化算法，是进化计算的主要方法之一。

The simulation results show that the algorithm gets higher saved rebroadcast and reachability than the probabilistic algorithm and the counter-based algorithm.

模拟实验表明，本算法在节省转发率和可达率两个性能指标上均优于概率算法和计数器算法。

Based on the analysis and research of the domestic and overseas EIT algorithms, a practical and fast EIT algorithm with better resolution---Fast Newton's One-Step Error Reconstructor dynamic algorithm is studied and realized in this dissertation. Based on a great deal of experiment researches, the EIT algorithm and performance of hardware-measuring device needed by imaging system are analyzed.

本论文在分析、研究国内外有关电阻抗成像重建算法及其研究状况的基础上，研究实现了一种实用、快速、具有一定分辨率的电阻抗成像算法——快速牛顿一步误差重构动态算法，对成像算法进行了大量的实验研究和数据分析，对成像系统所采用的硬件测量装置的性能进行了研究。

As the Jacobi Matrix of Fast One-Step Newton Error Reconstructor algorithm can be calculated previously t, the same imaging speed as back-projection algorithm can be made. The study results show that the FNOSER algorithm can obtain static image with a character of high space resolution, accurate orientation, fast imaging, and so on.

2基于牛顿法的一步误差重构算法对静态电阻抗成像技术进行了详细研究，推导出FNOSER 静态算法，快速牛顿一步误差重构算法其雅可比矩阵等可以事先计算好，从而可以获得和反投影算法类似的成像速度。

Half set of issues -- recursive algorithm, algorithm analysis and design of the algorithm, very useful.

半数集问题--递归算法，是算法分析与设计的重要算法之一，很有用的。

Half set of issues-- recursive algorithm, algorithm analysis and design of the algorithm, very useful.

详细说明：半数集问题--递归算法，是算法分析与设计的重要算法之一，很有用的。

First of all, on the base of the reduced gradient method of Wolfe, we added accurate one dimension searching method into it and gained a new algorithm (algorithm 1,2) for the nonlinear programming with linear equality constraints and quadratic programming problems, and proved convergence of algorithm, then, we use above algo...

首先本文在Wolfe既约梯度法的基础上，针对具有线性等式约束的非线性规划问题和二次规划问题，引入了精确的一维搜索，得到了带一维搜索的新算法(算法1、2)，并给出了算法的收敛性证明。

In this paper, an algorithm to test the completion for query evaluation of REITER algorithm has been developed, by which we can know whether the answer given by REITER algorithm is complete or partial.

本文给出了一个测试REITER算法在某一数据库的求解过程中是否保持其完备性的算法，由此可知，通过REITER算法求得的解是完全解还是部分解。

Based on the concept of subenergy transformation and terminal repeller in Terminal Repeller Unconstrained Subenergy Tunneling algorithm, a new global optimization algorithm, called Random Tunneling Algorithm , was proposed.

对PFAEA算法的性能分析表明，算法的时间复杂度与原子个数N呈立方增长关系，效率高于在团簇优化研究中较成功的Basin-Hopping算法，为解决大规模团簇体系或分子体系结构优化问题提供了有力工具。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。