Mathematics A set with an associative binary operation under which the set is closed, which contains an identity element and an inverse for every element in the set.

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Firstly,the classification of probability rule is analyzed on the base of classic rough set concepts and extended to the equal relation of set in the indefinite system,namely,the upper and lower approximation space of research set is expressed in the form of conditional probability;then,according to the measure of probability rule,the attributes reduction is carried out and the classification rule is extracted by using the related parameters of condition attributes' impend precision from the angle of conditional probability;Finally,the related simulation test result is given and the result shows the classification rules with probability measures is more rational.

首先在經(jīng)典粗糙集概念的基礎(chǔ)上分析概率規(guī)則的分類，并將其推廣到不確定系統(tǒng)的集合等價(jià)關(guān)系中欧美黄色露逼视频，即用條件概率的形式表示研究集合的上下近似空間国产91最新第一；然后根據(jù)概率規(guī)則的測(cè)度從條件概率的角度利用條件屬性的逼近精度的相關(guān)參數(shù)進(jìn)行屬性集的約簡(jiǎn)進(jìn)而提取分類規(guī)則国产操视频网；最后給出了相關(guān)的仿真實(shí)驗(yàn)結(jié)果，結(jié)果表明帶有概率測(cè)度的分類規(guī)則更合理一级国产精品。

By extending the concepts of supremum and infimum in real space to the casein any finite-dimensional Euclidean space a weak supremum set and infimumset theory with respect to cones for the set in finite-dimensional Euclideanspace is developed,and several similar properties to the set in real space are ob-tained,with the concepts of this weak supremumset,w-D-conjugate maps and w-D-subdifferentials theory for the point-to-setmap are developed,and its several properties and its relationships with weakefficient solutions of the multiobjective programming are studied.

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The study of exceptional set has a history of half a century. In reference (2), Lento extended the famous Picard Theorem and Presented the concept of exceptional set of entire functions and meromorphic functions. And the exceptional set in his result was an infinite sequence of complex numbers.

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People tend to reduce an infinite set of choices down to a small, finite set of choices. Even when you don't do the exact same thing each time, you will tend to choose your actions from a small, repetitive set of options.

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And several rough set operation algorithms are also offered in this paper,such as upper approximation set,lower approximation set,intersection, cardinal number and so on.

通過(guò)討論二進(jìn)制與粗糙集之間的內(nèi)在聯(lián)系，提出基于二進(jìn)制的粗糙集運(yùn)算理論700AV在线视频，并借助二進(jìn)制的位運(yùn)算操作国产呦交精品视频，給出粗糙集的上近似集和下近似集、等價(jià)類的交狼友首页一区二区三区、集合的基數(shù)的運(yùn)算算法人人看摸干。

The invariant set of descending flow is a set that if the initial point in it, then all the flow in the set.

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In Chapter 1, we state some notions and results on the limit set and the attractor of Conley invariant set theory, and give some sufficent condtions for an invariant set to be a quasi-attractor.

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The bidding for tasks between the task agent and the resource agents is described in terms of acquaintance set, invitee set, bidder set and bid-winner. The decision table is built with the attributes of tasks and the attributes of cost, quality, load and time for resource agents to accomplish the tasks.

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In this paper, firstly, not only the incidence matrix ,adjacent matrix, cycle matrix, cut-set matrix of an undirected graph are summarized, but also the close contact between a graph and its corresponding matrix are discussed ; secondly, many problems of a graph which are solved by analysing its matrix are listed as follows:1网站jjzz在线观看、The co-tree set of a graph is obtained by using its cycle-matrix ; 2、The branches of its spanning tree are given by using its cut-set matrix ; 3欧美乱图、By making use of the incidence matrix of a graph ,not only its vertex cut 日韩三级电影网、cut vertex 、isolated point and spanning tree can be obtained ,but also the two sides which are whether parallel or not can be judged ;4日韩美国一级欧美一级、By using their adjacent matrix ,the two graphes which are whether isomorphous or not can be judged; once more, there is a detailed introduction in view of special graph (for example: bigaritite graph ,regular graph and so on);last but not least, a graph method of calculating the N power of a matrix is given and the practical applications of the theorem for degree is indicated.

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