L' = relabelGraph(L, i, a)
L' = relabelGraph(L, i)
L' = relabelGraph L
T = relabelGraph(S, i, a)
T = relabelGraph(S, i)
T = relabelGraph S
H = relabelGraph(G, i, a)
H = relabelGraph(G, i)
H = relabelGraph G
This method applies one of sixteen vertex invariant based refinements to a graph. See the nauty documentation for a more complete description of each and how the argument $a$ is used.
The sixteen vertex invariants are:
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Note that on most small graphs, all sixteen orderings produce the same result.
The object relabelGraph is a method function.