isAdjacent-methods {graph} | R Documentation |
For a given subclass of graph-class
, returns TRUE
if the
graph contains an edge from node specified by from
to the node
specified by to
.
The appropriate logical vector will be returned as long as from
and to
have the same length and contain nodes in the graph
object specified by object
.
isAdjacent(object, from, to, ...)
object |
An instance of a subclass of graph-class . |
from |
A character vector of nodes in the graph. |
to |
A character vector of nodes in the graph |
... |
May be used by methods called on subclasses of graph |