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closedNeighborhood -- Returns the closed neighborhood of a vertex of a graph

Usage:

N = closedNeighborhood(G,v)
Inputs:
- G, a graph,
- v, a thing,
Outputs:
- N, a list, The closed neighborhood of vertex v in graph G

Description

The closed neighborhood of a vertex v just the union of the open neighborhood (or neighbors) of v and the vertex v itself

i1 : G = cycleGraph 4;

i2 : closedNeighborhood(G,2)

o2 = set {1, 2, 3}

o2 : Set

See also

neighbors -- returns the neighbors of a vertex in a graph

Ways to use closedNeighborhood:

closedNeighborhood(Graph,Thing)

For the programmer

The object closedNeighborhood is a method function.

The source of this document is in Graphs.m2:3195:0.