Adjacency Matrices

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Adjacency matrices show the number of direct links between vertices in a network. The topmost row and the leftmost column consist of the vertex labels, and the number in the corresponding cell indicates the number of direct links between the vertices. If A is directly linked to B then B is directly linked to A, so the adjacency matrix is symmetrical about the diagonal from upper left to bottom right.

A B C D E F
A 0 1 0 2 0 0
B 1 0 1 0 0 0
C 0 1 0 1 0 1
D 2 0 1 0 1 1
E 0 0 0 1 1 1
F 0 0 1 1 1 0

 

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