number n. 1.数;数字;〔pl.〕算术。 2.(汽车等的)号码;第…,第…卷,第…期〔通常略作 No. (复数 Nos.),用于数字之前〕。 3.伙伴;号子,囚犯。 4.数目;〔pl.〕大批,数量上的优势,许多,若干。 5.【乐、韵】音律,韵律;〔pl.〕【音乐】乐谱,调子,节奏,拍子;〔pl.〕【诗】诗,韵文;【语法】数。 6.〔口语〕(从多数当中挑选出来的)人,物。 7.一群人,一帮人。 cardinal [ordinal] numbers 基[序]数。 an even [odd] number 偶[奇]数。 a whole [an integral] number 整数。 the acid number 【化学】酸值。 the atomic number 原子序数。 a high [low] number 大[小]数。 the science of numbers 算术。 a telephone number 电话号码。 the number of a car 车号。 a dead number 空号。 the April number (杂志的)四月号。 Nos. 1-5 第一号到第五号。 No. 9 (pill) 〔美军〕百宝丹,清导丸,通便丸。 He is not of our number. 他可不是我们中的一分子。 He is among the number of the dead. 他也在死亡之列。 a number of books 许多书。 a great [large] number of people 很多很多的人。 the singular [plural] number 单[复]数。 a number of 若干;〔口语〕=numbers of 许多的。 back number 过了期的一期报刊杂志;过时的人或事物;落后、顽固、反动的人物。 by number= in numbers. get [have] sb.'s number 〔美俚〕对某人的性格、动机等作确实的估价。 have sb.'s number on it 〔美俚〕注定是某人死亡的原因。 in number 总共;用数字表示,在数字上。 in numbers (杂志等)分为数册,分数次(The story is issued in numbers. 那部小说是分册出版的)。 in round numbers 以整数[约数]表示;约莫,大概;总而言之。 lose the number of one's mess 〔英海军行话〕死,“报销”。 make up by numbers 以多为胜。 number one 1. 头号(的),第一流(的)。 2. 〔口语〕自己;自己的利益(take care of [look after] number one 替自己打算)。 3. 〔口语〕小便。 numbers pool 猜数字小赌博。 One's number is up. 〔俚语〕某人劫数[死期]已到。 one's number two 副手,副职,接班人。 one's opposite number 对等的人[物]。 out of [without] number(s) 无数的。 the numbers =numbers pool. There are numbers who .... …的人很多。 to the number of …多到。 win by (force of) numbers 靠人多得胜。 without [beyond] number=out of number. vt. 1.给…编号[记号数,加号码]。 2.达…之数,共计…,(人口)有…。 3.算入…(数)内;认为 (among in with)。 4.〔主用被动形〕已有限定,有限;〔古,雅〕数,计算。 5.活了…岁,足…岁。 The guests number 20. 客人有二十位。 His days are numbered. 他(在世)的日子不多了。 vi. 算在…数内;计;报数。 number off 〔上操〕报数;〔口令〕号码! n. -er 编号人;计数员。
When they come to how to confirm the cluster number , they either give no answer , or enumerate it 至于聚类数的确定问题,要么未给出答案,要么使用穷举法。
So the current question is whether we can confirm the cluster number directly , not using any assumptions 因此现在的问题是我们能否比较方便地直接确定聚类数,而不需任何假设。
When the a system routes a message it processes the point code ? ottom up ? member number , cluster number , network id 系统路由消息时会按照成员号、群集号和网络id的顺序自底向上地处理点编码。
The prominent advantage of neoren algorithm makes neoren fit for the applications sensitive to cluster errors rather than cluster numbers Neoren聚类算法的这一特点使得其非常适合于对聚类错误敏感、而对聚类数要求不高的应用领域。
But , in this aspect , many content work has been done , so the paper will choose a right clustering rule based on the work of them , in order to confirm cluster number directly under no assumptions 但是,在此方面,人们已经做了很多有意义的工作,所以本文将在前人的基础上选择一个恰当的聚类准则函数,以便在无任何假设条件的前提下比较简单地直接确定聚类数。
As for fuzzy c - means clustering algorithm , we introduced the concept of validity function to solve problems about partial optimization and how to decide the cluster number . third , we borrowed the software of matlab and spss and did experiment on a set of data . the experiment showed that the matlab program was simple and the speed was quick so that it could be applied in large number of data 在模糊c均值聚类算法中引入了有效性函数的概念,从而部分克服了模糊c均值聚类算法局部最优和无法确定聚类的类数的问题;其次,借助matlab和spss软件,以一组数据为案例,利用matlab编程,给出实验示例。
To solve the problems of adaptive determinition of the cluster number , flexible objective function definition and approximate optimal computation in clustering analysis , a ga - based divisive hierarchical clustering algorithm ( gadhc ) was proposed , which integrated some features of divisive hierarchical clustering algorithm and binary genetic clustering algorithm 摘要针对聚类中自适应确定聚类个数、目标函数灵活定义及优化的近似计算等问题,综合了分裂式层次化聚类算法能根据相似度阈值自适应地确定聚类个数的特点及二进制遗传聚类算法具有较强的搜索近似最优解能力及目标函数定义灵活的特点,提出了一种基于遗传算法的分裂式层次化聚类方法。
The number of fuzzy cluster neuron is equal to the fuzzy cluster number , and the neuron output is one element of the membership matrix . 4 . use hybrid fuzzy neural network modeling method and recipe fuzzy cluster method , a robust method to recipe - changing was presented . a multi - continuous parameters and one - recipe to one - output fuzzy neural network was designed to model the fouling in batch process 浙江大学博士学位论文4 、针对间歇过程中使用模糊神经网络建模和测量对于配方变化较为敏感的问题,使用配方模糊聚类方法和混合模糊神经网络建模方法,设计了一个由多个连续型操作参数输入和1个离散型配方变量输入的配方混合模糊神经网络,用于污垢的建模和预测。
A novel dynamic evolutionary clustering algorithm ( deca ) is proposed in this paper to overcome the shortcomings of fuzzy modeling method based on general clustering algorithms that fuzzy rule number should be determined beforehand . deca searches for the optimal cluster number by using the improved genetic techniques to optimize string lengths of chromosomes ; at the same time , the convergence of clustering center parameters is expedited with the help of fuzzy c - means ( fcm ) algorithm . moreover , by introducing memory function and vaccine inoculation mechanism of immune system , at the same time , deca can converge to the optimal solution rapidly and stably . the proper fuzzy rule number and exact premise parameters are obtained simultaneously when using this efficient deca to identify fuzzy models . the effectiveness of the proposed fuzzy modeling method based on deca is demonstrated by simulation examples , and the accurate non - linear fuzzy models can be obtained when the method is applied to the thermal processes 针对模糊聚类算法不适应复杂环境的问题,提出了一种新的动态进化聚类算法,克服了传统模糊聚类建模算法须事先确定规则数的缺陷.通过改进的遗传策略来优化染色体长度,实现对聚类个数进行全局寻优;利用fcm算法加快聚类中心参数的收敛;并引入免疫系统的记忆功能和疫苗接种机理,使算法能快速稳定地收敛到最优解.利用这种高效的动态聚类算法辨识模糊模型,可同时得到合适的模糊规则数和准确的前提参数,将其应用于控制过程可获得高精度的非线性模糊模型