| wrappers {giRaph} | R Documentation |
Provide short-hands for vertex set and edge construction.
v(...) u(...) d(...) r(...)
... |
unique vertex identifiers (should be characters for v
and strictly positive integers for u,d and r) |
Function d builds a directed edge from tail to head,
function r builds a directed edge from head to tail.
Function v returns an object of class "vertexSet".
Function u returns an object of class "undirectedEdge".
Both functions d and r return an object of class "directedEdge".
Jens Henrik Badsberg, Claus Dethlefsen, Luca La Rocca
vertexSet-class,
undirectedEdge-class and
directedEdge-class.