symbolic_dynamics.sofic.is_essential¶
-
symbolic_dynamics.sofic.
is_essential
(G)[source]¶ Returns True iff G is essential.
A graph G is essential if no vertex is stranded.
- Parameters
- Ggraph
See also
Examples
>>> G = nx.MultiDiGraph() >>> G.add_edge(1, 2) >>> G.add_edge(1, 1) >>> sd.is_essential(G) False >>> G.add_edge(2, 2) >>> sd.is_essential(G) True