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Graph may refer to:


Mathematics

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Graph (discrete mathematics) In discrete mathematics, and more specifically in graph theory, a graph is a structure amounting to a Set (mathematics), set of objects in which some pairs of the objects are in some sense "related". The objects correspond to mathematical abstra ...
, a structure made of vertices and edges **
Graph theory In mathematics, graph theory is the study of ''graphs'', which are mathematical structures used to model pairwise relations between objects. A graph in this context is made up of '' vertices'' (also called ''nodes'' or ''points'') which are conne ...
, the study of such graphs and their properties *
Graph (topology) In topology, a branch of mathematics, a graph is a topological space which arises from a usual graph G = (E, V) by replacing vertices by points and each edge e = xy \in E by a copy of the unit interval I = ,1/math>, where 0 is identified with the ...
, a topological space resembling a graph in the sense of discrete mathematics *
Graph of a function In mathematics, the graph of a function f is the set of ordered pairs (x, y), where f(x) = y. In the common case where x and f(x) are real numbers, these pairs are Cartesian coordinates of points in two-dimensional space and thus form a subset ...
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Graph of a relation In mathematics, the graph of a function f is the set of ordered pairs (x, y), where f(x) = y. In the common case where x and f(x) are real numbers, these pairs are Cartesian coordinates of points in two-dimensional space and thus form a subse ...
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Graph paper Graph paper, coordinate paper, grid paper, or squared paper is writing paper that is printed with fine lines making up a regular grid. The lines are often used as guides for plotting graphs of functions or experimental data and drawing curves. I ...
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Chart A chart (sometimes known as a graph) is a graphical representation for data visualization, in which "the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart". A chart can represent tabu ...
, a means of representing data (also called a graph)


Computing

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Graph (abstract data type) In computer science, a graph is an abstract data type that is meant to implement the undirected graph and directed graph concepts from the field of graph theory within mathematics. A graph data structure consists of a finite (and possibly mutab ...
, an abstract data type representing relations or connections *
graph (Unix) In Unix, graph is a command-line utility used to draw plots from tabular data. History The graph utility, written by Douglas McIlroy, was present in the first version of Unix, and every later version, for instance: * Unix Version 7, released ...
, Unix command-line utility *
Conceptual graph A conceptual graph (CG) is a formalism for knowledge representation. In the first published paper on CGs, John F. Sowa used them to represent the conceptual schemas used in database systems. The first book on CGs applied them to a wide range of ...
, a model for knowledge representation and reasoning


Other uses

* HMS ''Graph'', a submarine of the UK Royal Navy


See also

* Complex network *
Graf (feminine: ) is a historical title of the German nobility, usually translated as "count". Considered to be intermediate among noble ranks, the title is often treated as equivalent to the British title of "earl" (whose female version is "coun ...
* Graff (disambiguation) * Graph database *
Grapheme In linguistics, a grapheme is the smallest functional unit of a writing system. The word ''grapheme'' is derived and the suffix ''-eme'' by analogy with ''phoneme'' and other names of emic units. The study of graphemes is called ''graphemics' ...
, in linguistics * Graphemics * Graphic (disambiguation) *
-graphy The English suffix -graphy means a "field of study" or related to "writing" a book, and is an anglicization of the French ''-graphie'' inherited from the Latin ''-graphia'', which is a transliterated direct borrowing from Greek. Arts * Cartogr ...
(suffix from the Greek for "describe," "write" or "draw") *
List of information graphics software This is a list of software to create any kind of information graphics: * either includes the ability to create one or more infographics from a provided data set * either it is provided specifically for information visualization Vector graphics V ...
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Statistical graphics Statistical graphics, also known as statistical graphical techniques, are graphics used in the field of statistics for data visualization. Overview Whereas statistics and data analysis procedures generally yield their output in numeric or tabul ...
{{Disambiguation