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incidence
incidence (ˈɪnsɪdəns) [a. F. incidence (15th c.), f. incident incident a.1: see -ence.] † 1. a. = incident n.1 1; incidental matter. Obs.1423 Jas. I Kingis Q. vii, Procede I will agayn to my sentence Off my mater, and leue all Incidence. 1525 Ld. Berners Froiss. II. i. 3 In the same season there fel... Oxford English Dictionary
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Incidence
Incidence may refer to: Economics Benefit incidence, the availability of a benefit Expenditure incidence, the effect of government expenditure upon used in combinatorics, a branch of mathematics Incidence geometry, the study of relations of incidence between various geometrical objects Incidence wikipedia.org
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incidence
incidence/ˈɪnsɪdəns; `ɪnsədəns/ n[sing]1 ~ of sth extent to which sth happens or has an effect 事情发生或具有影响的程度; 发生率; 影响范围 This area has a high incidence of crime, disease, unemployment, etc. 这个地区的犯罪率、 发病率、 失业率等很高.2 way in which a ray of light strikes a surface 光线向物体表面的照射; 入射 the angle of incidence 入射角. 牛津英汉双解词典
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Incidence (epidemiology)
Incidence proportion Incidence proportion (IP), also known as cumulative incidence, is defined as the probability that a particular event, such as occurrence IP is related to incidence rate (IR) and duration of exposure (D) as follows: Incidence rate The incidence rate is a measure of the frequency with which wikipedia.org
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Incidence (geometry)
Statements such as "any two lines in a plane meet" are called incidence propositions. matrix Incidence algebra Incidence structure Incidence geometry Levi graph Hilbert's axioms References Harold L. wikipedia.org
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incidence matrix of a digraph with a self loop When writing the incidence matrix of a digraph, we denote '+1' if the tail of an arc is at the vertex, '-1' if the head is at the vertex. Is it '0' for a self loop at the...
The incidence matrix of a digraph (directed graph) has been defined as follows. } This is how the incidence matrix for a digraph has been defined.
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Incidence (graph)
to each incidence of G in such a way that adjacent incidences get distinct colors. References |The Incidence Coloring Page, by Éric Sopena. Graph theory objects wikipedia.org
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Uses of the incidence matrix of a graph The incidence matrix of a graph is a way to represent the graph. Why go through the trouble of creating this representation of a graph? In other words what are the applications ...
There are many advantages, especially if the total number of edges is $|E| = \Omega(|V|^2)$. First of all, worst-case constant time for adding, deleting edges, also testing if edge exists (adjacency lists/sets might have some additional $\log n$ factors). Second, simplicity: no advanced structures n...
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Incidence geometry
In mathematics, incidence geometry is the study of incidence structures. corresponding vertices in the incidence graph of the incidence structure. wikipedia.org
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Rank of an incidence matrix of a graph G with n vertices is n-1 implies that G is connected I know that when a graph $G$ is connected, it's incidence matrix $A_G$ has rank $n-1$ over $GF(2)$. However, is it also true...
For $k=1\ldots,r$ let $M_k$ be the incidence matrix of $C_k$. Then the incidence matrix $M$ of $G$ can be written in the form $$M=\begin{bmatrix} M_1&0&0&\ldots&0\\\ 0&M_2&0&\ldots&0\\\ 0&0&M_3&\ldots&0\\\ \vdots
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Incidence poset
In mathematics, an incidence poset or incidence order is a type of partially ordered set that represents the incidence relation between vertices and edges If an incidence poset has high dimension then it must contain copies of the incidence posets of all small trees either as sub-orders or as the duals of wikipedia.org
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The incidence matrix of a weighted graph How to correctly build the incidence matrix of a undirected weighted graph? May you show a little example?
An incidence matrix $M$ is a matrix in $\mathbb{R}^{|V| \times |E|}$, where $M_{ij} = 1$ if vertex $i$ is incident to edge $j$, and $M_{ij} = 0$ otherwise
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Incidence algebra
This is a subalgebra of the incidence algebra, and it clearly contains the incidence algebra's identity element and zeta function. Any element of the reduced incidence algebra that is invertible in the larger incidence algebra has its inverse in the reduced incidence algebra. wikipedia.org
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annual parasite incidence — Translation in Chinese - TechDico
Many translation examples sorted by field of work of "annual parasite incidence" - English-Chinese dictionary and smart translation assistant.
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Incidence matrix of a graph Do incidence matrices fully characterize a graph? In other words, is it sufficient to retain the incidence matrix of a graph in order to know everything about it, namely, its connectivity (...
From the incidence matrix we can easily construct the adjacency matrix, which clearly fully determines the graph. If the graph has loops, then the incidence matrix does not determine it.
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