Graph

Graph

A simple undirected graph is tuple the vertex set and an edge set. This is normally referred to as . As this is undirected an edge is the same as the edge , so if we define an equivalence relation for all then it is fairer to say .

Representations

Visual representation

This is normally represented as a series of points and lines like the simple graph below.

simple_graph

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Text Elements

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This graph would have formal definition

For representations in computer look at graph representations.