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FunctionalGraph
takes a set 
and a function 
from 
to 
and constructs a directed graph with vertex set 
and edges 
for each 
in 
.
constructs a graph with vertex set 
and edge set 
for each 
. An option called 
that takes on the values Directed and Undirected is allowed. Type->Directed is the default, while Type->Undirected returns the corresponding underlying undirected graph.
takes a nonnegative integer 
and a function 
from 
onto itself and produces the directed graph with vertex set 
and edge set 
for each vertex 
.
更多信息
- To use
, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
