Incident vertices of some graph edges
Usage
ends(graph, es, names = TRUE)
Arguments
- graph
The input graph
- es
The sequence of edges to query
- names
Whether to return vertex names or
numeric vertex ids. By default vertex names are used.
Value
A two column matrix of vertex names or vertex ids.
See also
Other structural queries:
[.igraph(),
[[.igraph(),
adjacent_vertices(),
are_adjacent(),
get_edge_ids(),
gorder(),
gsize(),
head_of(),
incident(),
incident_edges(),
is_directed(),
neighbors(),
tail_of()
Examples
g <- make_ring(5)
ends(g, E(g))
#> [,1] [,2]
#> [1,] 1 2
#> [2,] 2 3
#> [3,] 3 4
#> [4,] 4 5
#> [5,] 1 5
