incidence relation meaning in English
关联关系
Examples
- Through the equivalent transformation between the linear combination relation of the father - son state in the state equations and the incidence relation of the father - son state nodes in the weighted network , it is realizable to build the block contact of the general structure and the system state variable is the earliest starting time , and collect the incident matrices of the dividing branch nets in whole net , then the parameter matrices of the state space model are obtained
通过状态方程中父状态与各子状态之间的线性组合关系与块网中父状态结点和各子状态结点之间的带权父子关联关系之间的等价转换，实现以工序的最早开工时刻为状态变量的系统状态模块和泛模块的接口与提取总网“划分子网”的关联矩阵得到状态空间模型的参数矩阵。 - A block design is a triple d = ( x , b , i ) , where x is a finite set ( the point set ) of order v , b is the block set and / is the incidence relation between x and b . for the given block design d , if all the blocks from x , which have the same type of the blocks in b , can be partitioned into some bi , such that each ( x , bi , i ) is a block design with the same parameters and the same type as d , then { ( x , bi , i ) } i is called as large set of d - design of order v . on the other side , let | x | = v , | y | = v + 1 , and x y , if all the blocks of the same type from y can be partitioned into some bx , such that each ( y { x } , bx , i } is a block design of order v for any element x y with the same parameters and the same type as d , then { ( y { x } , bx , i ) } x is called an overlarge set of d - design of order v . in this thesis , we discuss the existence problem about some types of large sets and overlarge sets
一个区组设计是由两个有限集合x ， b及它们之间的关联关系i组成的，记为d = ( x ， b ， i ) ，其中x为v元集， b为区组集，对于指定的设计d ，若x上与d相应的全部构形可分拆为若干个b _ i ，使得每个( x ， b _ i ， i )皆为一个与d同参数同类型设计，则称这些b _ i构成一个v阶d -设计的大集。若v元集x是v + 1元集y的一个子集，而y上与d相应的全部指定构形可分拆为若干个b _ x ，使得每个b _ x恰是y { x }上的一个与d同参数同类型的设计(其中x y ) ，则称这些b _ x构成一个v阶d -设计的超大集。本文中讨论了一些区组设计的大集及超大集。