There are many methods of the reducing attributes of decision table , and the common methods generate discernibly function , then reducing discernibly function and achieving the attributes reduction of the decision table 摘要决策表的属性约简方法有多种,常用的方法是利用区分矩阵生成区分函数,对区分函数进行化简,进而得到决策表的属性约简。
Abstract : simply tells the method of processing the consistency and reduction of the teached training samples by rough sets theory , and gives a way of finding the distinction of ann 文摘:针对人工神经网络的训练样本庞大繁杂的特点,运用粗糙集理论对有指导的网络训练样本的相容性及其化简进行简单论述,同时对神经网络的特征值提取给出了一种寻找方法
The formulation of slab - column system flexure and internal force in elasticity was established according to the known condition of boundary and stress , and the elasticity formulation using the factor of relativity coordinate was simplified 摘要根据已知的边界和受力条件,建立无梁楼盖挠度和内力的弹性分析解,并利用相对坐标引入参数,对此弹性解进针化简。
By analogizing the concept of particle collides in high - energy physics , we proposed the particle model of logic function , and constructed the particle collide arithmetic of logic function predigest according to this model , finally using vc + + 6 . 0 programming realized it 摘要类比高能物理中粒子碰撞的概念,提出了逻辑函数的粒子模型,根据此模型构造了化简逻辑函数的粒子碰撞算法,并用vc + + 6 . 0编程实现。
Rule twenty - one - if there are many equations of this sort , they should all be reduced to a single one , viz . to the equation whose terms occupy fewer places in the series of magnitudes which are in continued proportion , i . e . the series in which the order of the terms is to be arranged 如果有同种类的许多等式,就应该化简到一个等式,也就是说,化简到在连续比例中量的系列里只有少数项,换言之,在此系列中,项目的秩序被安排好了。
In this method , the transaction dependency relationships among agents are defined on the level of roles , which agents play . with the efforts in the phase of agent - oriented modeling and analyzing , mutual dependency and cyclic dependency relationship can be reduced to linear dependency ones 这种方法将agent之间的事务依赖关系定义在角色层次上,通过在面向agent的建模和分析阶段的努力,可以将循环依赖和相互依赖化简为线性依赖关系。
The author put forward that the method that simplifies the voronoi diagram dynamically could be used to the point and area elements multi - scale representation . take habitation and relief as instances , this paper presents the general model and basic algorithm of elements with different dimensions 在点状要素和面状要素多尺度表达方面提出用动态化简voronoi图的方法实现点状和面状要素的多尺度设置;在线状要素的多尺度表达方面提出实现模型并给出实践经验值。
Based on design database search from internet , design parameters are predigested . the most important parameters that make sure to transmission style are available , so that the search range is shrinked and the complexity is reduced . the multi - predigest mining between design parameter and transmission scheme is realized and relation rules of all kinds of abstract levels are obtained 针对从网络中搜集整理的设计数据库,对设计参数进行了化简,得到了确定电机类型所需要的最重要的参数集合,以便缩小设计的搜索范围、降低设计的复杂度,并对设计参数与电机方案实现了多层次的挖掘,获得了两者之间不同抽象层次的关系规则信息。
In this paper , we present a new type of multi - functional three - phase watt - hour instrument , based on high - performance avr 8 - bit microcontroller , and integrated the functions of protection , communication , measurement and control . asic ade7758 is adopted to replace data - collecting hardware circuit . compared with the traditional method , it not only simplifies the system structure , decreases the cost , but also improves system reliability and accuracy 本设计所研制的多功能电力监控仪以高性能低功耗的8位avr单片机为核心,集测量、控制、保护和通信于一体,采用ade7758取代了采样硬件电路,相比传统的设计方法来说,这不仅大大化简了外围电路,降低了成本,而且提高了设备的精度和可靠性。
3 ) give the reduct algorithm and improved algorithm based on discernibility matrices . 4 ) give the algorithm of rules . 5 ) in this thesis , by using rs theory in the synthesis of combinational logic function , we can get minimal expression of logic function ; if by using rs theory in the rough control of boiler , we can get rough control rules 对于前人提出的差别矩阵和差别函数的概念和定义,将其应用于信息系统中,用差别函数得到了最小约简,然后,通过研究差别矩阵和差别函数的构造过程,提出了对差别矩阵降阶和消元的策略,实例证明是有效的,起到了化简差别矩阵和差别函数的目的; 4