compute degree of vertex
compute in-degree of vertex
compute out-degree of vertex
directed or undirected graph
Degree returns the degree of v; that is, the number of edges of the graph G which are incident to v. The directions of the edges are ignored.
InDegree returns the in-degree of v; that is, the number of arcs directed into v.
OutDegree returns the out-degree of v; that is, the number of arcs directed out of v.
To find the vertices which are the tails of arcs directed into v, use GraphTheory[Arrivals].
To find the vertices which are the heads of arcs directed out of v, use GraphTheory[Departures].
G≔Graph 1: a directed unweighted graph with 4 vertices and 4 arc(s)
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