ordered pair

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ordered pair

[′ȯrd·ərd ′per]
(mathematics)
A pair of elements x and y from a set, written (x,y), where x is distinguished as first and y as second.
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References in periodicals archive ?
A digraph is strongly connected if, for every ordered pair of vertices (v,w), there is a directed path from v to w.
Application of graph theory in automation
Considering that Sidman's (2000) account holds that equivalence relations consist "of ordered pairs of all positive elements that participate in the reinforcement contingency" (Sidman 2000, p.
Transfer-of-function and novel emergent relations using simple discrimination training procedures
is an ordered pair (D, I), consisting of a domain and an interpretation function, such that:
Cuantificacion modal: una guia para actualistas
The diameter diam(Cay(G, S)) is the smallest integer d such that for every ordered pair (g, h) the distance from g to h is at most d.
Random Cayley digraphs of diameter 2 and given degree
Written as ordered pairs (x, y) according to Table 3, the coordinates are as follows: Atlas (0, 7); Alcyone (9, 7); Merope (16, 6); Maia (30, 9); Taygeta (35, 9); Electra (63, 5); and Celaeno (72, 9).
An ethnomathematics exercise for analyzing a khipu sample from Pachacamac (Peru)/Ejercicio de etnomatematica para el analisis de una muestra de quipu de Pachacamac (Peru)
0) of this plane is found at the point of null interaction between the schemas, defining the absence of synthesis, while the ordered pair (4.
The psychological synthesis evaluated by the interactive model/A sintese psicologica avaliada pelo modelo interativo
For the relation "has the same decimal value as", an ordered pair member of the relation was presented with the statement "(1 / 2, 2 / 4) is a relation".
Enhancing prospective mathematics teachers' pedagogical knowledge of mathematical relations and equivalence relations
He loved the boots and regularly ordered pairs of white Doc Martins brogue shoes from the Northampton-based manufacturer.
POPE JOHN PAUL II 1920-2005: 10 Pope facts you did not know
They complete a function table, identify the ordered pairs, plot the ordered pairs on the coordinate grid, and find that all the points fall on the same straight line.
Readers' exchange
The extension of any relation R can be represented as a set of ordered pairs of the form (d, r,> where d is an element of the mapping's domain, and r is an element of the mapping's range.
Listening to similarity relations
One application of the Gray codes generated in this paper is in producing Graeco-latin squares (any square of ordered pairs in which each entry of the alphabet appears exactly once as a left-hand entry in every row and every column and similarly for right hand entries) and balanced factorial groups in the design of experiments.
GRAY CODE VISUALIZATION SCHEMES AND RECURSIVE ALGORITHMS
To overcome these difficulties, suggested initial strategies include explaining the idea of the coordinate plane and ordered pairs, helping students understand variables and graphing, teaching about mathematical modeling, and using appropriate textbooks in teaching the graphic aspect of concepts and algebraic notation.
Overcoming Algebraic and Graphic Difficulties

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