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GraphTheory

  

IsForest

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

IsForest(G)

Parameters

G

-

graph

Description

• 

The IsForest command returns true if the input graph is a forest or false otherwise. A forest is a graph whose connected components are all trees.

Examples

withGraphTheory:

FGraph1,2,3,4,5,6,1,2,2,3,5,6

FGraph 1: an undirected unweighted graph with 6 vertices and 3 edge(s)

(1)

IsForestF

true

(2)

CConnectedComponentsF

C1,2,3,4,5,6

(3)

seqIsTreeInducedSubgraphF,i,i=C

true,true,true

(4)

NumberOfVerticesFNumberOfEdgesFnopsConnectedComponentsF

0

(5)

See Also

ConnectedComponents

InducedSubgraph

IsTree