图中顶点的关联边
用法
incident(graph, v, mode = c("all", "out", "in", "total"))
参见
其他结构查询:[.igraph()
, [[.igraph()
, adjacent_vertices()
, are_adjacent()
, ends()
, get_edge_ids()
, gorder()
, gsize()
, head_of()
, incident_edges()
, is_directed()
, neighbors()
, tail_of()
示例
g <- make_graph("Zachary")
incident(g, 1)
#> + 16/78 edges from cf6b66d:
#> [1] 1-- 2 1-- 3 1-- 4 1-- 5 1-- 6 1-- 7 1-- 8 1-- 9 1--11 1--12 1--13 1--14
#> [13] 1--18 1--20 1--22 1--32
incident(g, 34)
#> + 17/78 edges from cf6b66d:
#> [1] 9--34 10--34 14--34 15--34 16--34 19--34 20--34 21--34 23--34 24--34
#> [11] 27--34 28--34 29--34 30--34 31--34 32--34 33--34