查询词典 graph method

Cross Entropy method has recently been proposed as a heuristic method.It shows some simple performance in the process of solving combinatorial optimization problems.This paper makes full use of Cross Entropy method to obtain the best estimator for the max-cut problem which is a standard NP-hard problem in graph graphic theory.

交叉熵方法是近几年发展而来的一种启发式方法，在求解组合优化问题中显示出其简单有效的特点，将运用交叉熵方法寻求图论中一个典型的NP困难问题—最大割问题的最优解。

According to the basic principles of information theory, computer graph processing and the chromatics, this thesis mainly researches on the theory and applications of the color images watermark using the characteristics of the human visual system. And then it discusses the preprocessing method such as Image color inversing and image disordering, especially the method of watermark embedding, watermark extracting and watermark attacking etc. At last, an experimental system about watermark embedding and extracting are accomplished.

本文首先根据信息论、计算机图形处理和色彩学中的基本原理，结合人眼的视觉系统特性，对彩色图像水印的理论与应用进行了研究，然后讨论了如何对水印图像进行反色和置乱预处理，尤其是对水印嵌入过程、水印提取过程和水印攻击方法等进行了深入探讨，并最终设计实现了一套完整的具有水印嵌入与提取功能的实验软件。

Several aspects of the method, such as crucible treatment, mass of sample, cineration condition, analysis method, calibration graph and ionization depressor dosage were improved and optimized.

对实验中坩埚处理、试样量、灰化条件、分析方法、工作曲线及电离抑制剂用量等技术条件进行了优化。

This method firstly determines whether a closed loop exists in the graph, and utilizes DOF reduction analysis and disturbing method to identify if the closed-loop constraints can be broken from a certain edge.

该方法能够较好的简化CAD软件中用户添加的装配约束，避免了因闭环约束造成的求解复杂度增加的情况，同时可以更好的表达实际装配的过程。

Bring forward new method based on clockwise trend to search next path of outline and method based on counter-clockwise tread to search next path of closed graph after analyzing existing algorithmic. New algorithmic improves on graphic generating efficiency and intelligence of system.

在分析已有算法的基础上，提出基于顺时针行走方向搜索外轮廓下一条路径和基于逆时针行走方向搜索封闭图形下一条路径的算法，改进了以往算法的不足，提高了图形的生成效率和系统的智能化程度。

According to this method, on the basis of ontology, the requirement of dynamic revising service cases and the description of revision operator are presented under the same circumstance, and the capacity of revision operator can be described with two respects of interaction environment and changes. Furthermore, the model of resource states transition graph is presented to realize the transition from the description of the capacity of revision operator to the resource states of revision operator. Finally, a verification method concerning the dynamic revision of service cases is presented to improve the revision and verification automatically.

将动态调整需求和调整运算子的描述统一在它们共同的环境的基础之上；并建立了调整运算子的交互环境本体，在本体的基础上，从调整运算子交互的环境以及调整导致的环境的改变两个方面描述调整运算子的能力；提出调整运算子能力的资源状态变迁图模型，实现了从调整运算子能力描述到调整运算子的资源状态变迁图模型的转换；还较为系统地提出了与基于范例推理服务组合相关的范例动态调整的验证方法，提高了服务范例调整和验证的自动化程度。

The study of operation of lattice dicision-making By applying the concept, theory, method of lattice theory and graph theory, defining and stipulating the method which can reflect the superior or inferior relation among different elements on lattice, and the variable, parameter, operation rule and the compare method, For example, the preference distance and it's working with relecting the superior or inferior relation among different elements on lattice.

借助格论和图论中的有关概念、理论和方法，定义和规定了能描述格上不同元素之间优劣关系及其联系强度的变量、参数、运算规则及其比较方法，如反映不同决策方案的优劣程度差别的"偏好距离"及其计算，并将此理论运用到了具有区间数的群决策问题中去，给出了区间数的一种格序排列方法。

In the paper,the simulation model of mineral processing is given,the automatic solving method of sequential modular approach for simulation calculation is described,the system partition method based on reachability matrix method is introduced,and then,according to process topological structure,the ring break method based on breadth-first searching of directed graph is proposed.

首先给出选矿流程模拟模型；接着阐述了序贯模块法用于选矿流程模拟计算的自动解算方法，给出了基于可及矩阵法的系统分块方法，根据选矿流程拓扑结构特点，提出了基于有向图广度优先搜索的环路切割方法；说明了基于序贯模块法的流程模拟软件设计思路。

of transitive closure based on equivalence relation, method of maximum fuzzy spanning tree based on fuzzy graph, and algorithm Fuzzy C-Means based on partition are more deeply investigated. Respectively, this thesis proposes an algorithm for document fuzzy clustering based on methed of transitive closure and an algorithm for document fuzzy clustering based on methed of maximum fuzzy spanning tree. Moreover, FCM is particularly studied from data standardization method, metrics method, and selection method of initial clustering prototype.

较深入地讨论了基于等价关系的传递闭包法、基于模糊图论的最大树法以及基于划分的模糊C-均值算法，分别提出了基于传递闭包法的文本模糊聚类方法ATCFC和基于最大树法的文本模糊聚类方法ATCMT；重点从改变规格化方式、改变度量方式、改变初始聚类原型选择方式三方面对FCM算法进行研究。

Through the research of direct search method based on 3D FEM, and its application for the tunnel slope stability analysis, the objectives of this work in this paper are as follows:1. The dynamic programming as well as its application for 3D side slope stability analysis is studied. With the introduction of graph theory concept, one kind of glide pattern of 3D slope is constructed, and the critical slip surface with smallest safety factor is searched with the aid of one auxiliary function including safety factor;2. Using the C++ programming language, the 3D slope stability analysis and the direct search procedure is established, and this method is testified applicably by some contrast analysis, also some influence factor in analysis is discussed;3. Integrated with the different actual situation in tunnel slope, considered its excavation, timbering and rain infiltration, its stability influence and rule is researched used this method, also some processing measure is proposed.

本文通过对三维有限元直接搜索法的研究，并将其应用于隧道边坡的稳定性分析中，主要的研究内容有：1、研究了动态规划原理及其在三维边坡稳定性分析中的应用，引入图论概念，构筑出一种边坡三维滑裂面的滑动模式，借助一个包含安全系数的辅助函数并通过动态搜索求得临界滑裂面与最小安全系数；2、采用C++程序设计语言，编制出边坡三维稳定性分析以及直接搜索法的程序，通过一些算例的对比分析，验证本文方法的适用性，并讨论了三维分析中的一些影响因素。3、结合隧道边坡的不同实际情况，考虑施工开挖过程、衬砌结构及降雨渗流等方面的因素，利用本文方法研究对其稳定性的影响和规律，并提出处理措施

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。