incident {igraph} | R Documentation |
Incident edges of a vertex in a graph
incident(graph, v, mode = c("all", "out", "in", "total"))
graph |
The input graph. |
v |
The vertex of which the indicent edges are queried. |
mode |
Whether to query outgoing (‘out’), incoming (‘in’) edges, or both types (‘all’). This is ignored for undirected graphs. |
An edge sequence containing the incident edges of the input vertex.
Other structural queries: [.igraph
;
[[.igraph
; adjacent_vertices
;
are.connected
, are_adjacent
;
ecount
, gsize
;
ends
, get.edge
,
get.edges
; get.edge.ids
;
gorder
, vcount
;
head_of
; incident_edges
;
is.directed
, is_directed
;
neighbors
; tail_of
g <- make_graph("Zachary") incident(g, 1) incident(g, 34)