A graph with no edges
See also
Other deterministic constructors:
graph_from_atlas()
,
graph_from_edgelist()
,
graph_from_literal()
,
make_()
,
make_chordal_ring()
,
make_full_citation_graph()
,
make_full_graph()
,
make_graph()
,
make_lattice()
,
make_ring()
,
make_star()
,
make_tree()