even_graph {PairViz}R Documentation

Class of graphs where all nodes have even degree

Description

This class is an extension of graph_NEL. For graphs of this class, euler tours may always be constructed. Objects of this class should be created by mk_even_graph

Slots

This class has all slots from "graph_NEL" plus:

dummy_node:
Object of class "character"
extra_edges:
Object of class "character"
weighted:
Object of class "logical"

Extends

Class graphNEL-class, directly. Class graph-class, by class "graphNEL", distance 2.

Methods

is_even_graph
signature(g = "graphNEL"): checks whether a graph has all nodes of even degree.
is_even_graph
signature(g = "even_graph"): always TRUE.

Author(s)

C.B. Hurley and R.W. Oldford

References

see overview

Examples

showClass("even_graph")


[Package PairViz version 1.0 Index]