| 1. | We have just defined four important sets in terms of the transitive closure of four very simple relations . 我们根据四个非常简单的关系的传递闭包,恰好完成了四个重要的集合。 |
| 2. | A simple and direct algorithm for computing transitive closure of fuzzy matrix 算法到求模糊矩阵传递闭包的一个简捷算法 |
| 3. | The set of reachable objects is the transitive closure of the root set under the points - to relation 可到达的对象集是指向关系下根集的传递闭包。 |
| 4. | The following example shows using recursive triggers to solve a self - referencing relationship also known as transitive closure 下面的示例中说明使用递归触发器来解决自引用关系(也称为传递闭包) 。 |
| 5. | Cluster analysis is one of the means of multivate analysis and is widely used in pattern recognition , data mining and decision analysis etc . now the popular clustering algorithm is transitive closure clustering algorithm and fuzzy c means clustering algorithm 聚类分析是多元统计分析的方法之一,广泛的应用在模式识别,数据挖掘和决策分析等领域。目前常有的聚类算法有传递闭包聚类算法和fuzzyc - mean算法。 |
| 6. | 1 . the fuzzy clustering methods of the discretization is based on transitive closure . it has passed through a series of identical transformation . it may lose a lot of information in discretizated decision - making . we have gaven a method of the discretization of fuzzy clustering methods based on perturbation ( fcmbp ) 1 .研究了基于模糊聚类的离散化方法,他们都是基于传递闭包的方法,经一系列的非恒等变换,使得离散后决策表信息丢失较多。 |
| 7. | Secondly , in the research of fuzzy clustering methods , we gave out several useful formulae and an improved fuzzy transitive closure method according to the degrees of influence of various pyrolysis parameters . we also brought up a modified fcm algorithm according to the different functions of the samples 其次,在对基于模糊聚类的识别方法研究中,根据各种热解参数在油气层预测中的影响程度,给出了构造模糊相似矩阵的几个有用的公式,以及改进的模糊聚类传递闭包法;根据每个样本点对分类的不同作用,提出了一种改进的模糊c均值算法;试验结果表明,这两种方法都可以有效地提高分类精度。 |
| 8. | With respect to the applications of pki in pervasive computing networks , we provide an elegant simplized model for trust to solve trust management problem efficiently . the idea to build up such a model originates from that of " web of trust " model of pgp mixed up with that of the delegation model of spki , more details as follows : 1 . the simplized trust model and the corresponding trust metrics evaluation algorithms 我们把信任分为信任和相信两种,通过研究传递闭包的原理,提出一个理论上被证明的具有循环不变性的信任度合并算法,并且给出了在一个实际的仿真环境中该模型的应用效果对比,同时该模型结合了pgp和spki各自的优势,弥补了pgp 、 spki各自的不足,表达的信任关系能够真实反映普适计算的分布式特点和彼此相当的社会关系形式,其优势非常突出适合推广到多种普适应用环境。 |
| 9. | ( 2 ) a new method , which can be used to diagnose steam turbine generator - set ' s multiple faults , is brought out . this method , which is based on fuzzy clustering analyze theory , puts standard fault samples and the checked samples together as classified samples and draw a conclusion by using transfer closure based on fuzzy equivalence matrix ( 2 )运用模糊聚类分析理论,将标准故障样本和侍检数据一起作为分类样本,利用基于模糊等价矩阵的传递闭包法,提出了一种用于汽轮发电机组多故障诊断的新方法。 |
| 10. | Based on the electromechanical coupling characteristic of the multi - machine power system , the transitive closure is calculated depending on the synchronization torque coefficient matrix . then a proper threshold value is chosen to achieve the reasonable block decoupling of multi - machine power system . eigenvalues of block - decoupling subsystem are calculated respectively 该方法根据多机电力系统的机电耦合特性,在多机系统同步力矩系数矩阵的基础上,求取传递闭包,通过选择适当的阈值水平,实现多机系统的合理分块解耦;对各分块解耦子系统分别计算特征值,各子系统的特征值的集合可以近似作为原多机系统的特征值。 |