neighbors
From igraph v1.2.6
by Gabor Csardi
Neighboring (adjacent) vertices in a graph
A vertex is a neighbor of another one (in other words, the two vertices are adjacent), if they are incident to the same edge.
Usage
neighbors(graph, v, mode = c("out", "in", "all", "total"))Arguments
- graph
The input graph.
- v
The vertex of which the adjacent vertices are queried.
- mode
Whether to query outgoing (‘out’), incoming (‘in’) edges, or both types (‘all’). This is ignored for undirected graphs.
Value
A vertex sequence containing the neighbors of the input vertex.
See Also
Other structural queries:
[.igraph(),
[[.igraph(),
adjacent_vertices(),
are_adjacent(),
ends(),
get.edge.ids(),
gorder(),
gsize(),
head_of(),
incident_edges(),
incident(),
is_directed(),
tail_of()
Examples
# NOT RUN {
g <- make_graph("Zachary")
n1 <- neighbors(g, 1)
n34 <- neighbors(g, 34)
intersection(n1, n34)
# }
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