Determine if nodes share an edge in a graph
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 |
from |
A |
to |
A |
... |
May be used by methods called on subclasses of |
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