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Graph vs Digraph - What's the difference?

graph | digraph |

In graph theory terms the difference between graph and digraph

is that graph is an ordered pair (V,E), where V is a set of elements called vertices (or nodes) and E is a set of pairs of elements of V, called edges; informally, a set of vertices together with a set edges that join these vertices while digraph is a directed graph.

As nouns the difference between graph and digraph

is that graph is a diagram displaying data; in particular one showing the relationship between two or more quantities, measurements or indicative numbers that may or may not have a specific mathematical formula relating them to each other while digraph is a directed graph.

As a verb graph

is to draw a graph.

graph

English

(wikipedia graph)

Noun

(en noun)
  • A diagram displaying data; in particular one showing the relationship between two or more quantities, measurements or indicative numbers that may or may not have a specific mathematical formula relating them to each other.
  • * {{quote-magazine, date=2012-03
  • , author= , title=Pixels or Perish , volume=100, issue=2, page=106 , magazine= citation , passage=Drawings and pictures are more than mere ornaments in scientific discourse. Blackboard sketches, geological maps, diagrams of molecular structure, astronomical photographs, MRI images, the many varieties of statistical charts and graphs : These pictorial devices are indispensable tools for presenting evidence, for explaining a theory, for telling a story.}}
  • (mathematics) A diagram displaying data, in particular one showing the relationship between two or more variables; specifically, for a function f(x_1, x_2, \ldots, x_n), the set of all tuples (x_1, x_2, \ldots, x_n, f(x_1, x_2, \ldots, x_n)).
  • (graph theory) An ordered pair (V,E), where V is a set of elements called vertices'' (or ''nodes'') and E is a set of pairs of elements of V, called ''edges ; informally, a set of vertices together with a set edges that join these vertices.
  • (lb) A character, in particular the abstracted fundamental shape of a character as distinct from its ductus (realization in a particular typeface or handwriting: compare glyph).
  • Synonyms

    * (in graph theory) undirected graph * See also

    Hyponyms

    * (in graph theory) tree

    Derived terms

    * acyclic graph * biased graph * biconnected graph * bipartite graph * complete graph * connected graph * directed graph * Eulerian graph * graph articulation * graph centre * graph eccentricity * graph eigenvalue * graph geodesic * graph minor * graph polynomial * graph spectrum * graph thickness * graphic matroid * graphoid * Hamiltonian graph * hypergraph * line graph * multigraph * object graph * Petersen graph * planar graph * pseudograph * random graph * regular graph * signed graph * small world graph * strongly regular graph * subgraph * superregular graph * undirected graph * unicursal graph * voltage graph * weighted graph

    Verb

    (en verb)
  • To draw a graph.
  • (mathematics) To draw a graph of a function.
  • Synonyms

    * (draw a graph of) plot, chart

    See also

    * plot * diagram * axis

    Anagrams

    *

    digraph

    English

    Etymology 1

    .

    Noun

    (en noun)
  • (graph theory) A directed graph.
  • Hyponyms
    * multidigraph

    See also

    (other terms of interest) * adjacency matrix * finite relation * incidence matrix * (Directed graph)

    Etymology 2

    From (etyl) .

    Noun

    (en noun)
  • (label) A two-character sequence used to enter a single conceptual character.
  • (label) A pair of letters, especially a pair representing a single phoneme.
  • Hyponyms
    * diphthong, ligature