The IsDirected(G) function returns true or false depending on whether the input graph is a directed or undirected graph.
The IsWeighted(G) function returns true if G is a weighted graph, and false otherwise.
To make a graph directed or weighted, use the MakeDirected or MakeWeighted commands.
To remove directions and weights from a graph, use the UnderlyingGraph command.
G≔Graph 1: a directed unweighted graph with 3 vertices and 3 arc(s)
K3≔Graph 2: an undirected unweighted graph with 3 vertices and 3 edge(s)
H≔Graph 3: an undirected weighted graph with 3 vertices and 2 edge(s)
K3≔Graph 4: an undirected unweighted graph with 3 vertices and 3 edge(s)
K3≔Graph 5: an undirected weighted graph with 3 vertices and 3 edge(s)
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