Use this if you are using igraph from R
subcomponent {igraph} | R Documentation |
Finds all vertices reachable from a given vertex, or the opposite: all vertices from which a given vertex is reachable via a directed path.
subcomponent(graph, v, mode = c("all", "out", "in"))
graph |
The graph to analyze. |
v |
The vertex to start the search from. |
mode |
Character string, either “in”, “out” or
“all”. If “in” all vertices from which |
A breadth-first search is conducted starting from vertex v
.
Numeric vector, the ids of the vertices in the same component as
v
.
Gabor Csardi csardi.gabor@gmail.com
g <- sample_gnp(100, 1/200)
subcomponent(g, 1, "in")
subcomponent(g, 1, "out")
subcomponent(g, 1, "all")