test_graph_arc an Octave code which defines a number of examples of graphs in terms of an arc list (pairs of nodes connected by a link).
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test_graph_arc is available in a MATLAB version and an Octave version and a Python version.
graph_arc, an Octave code which carries out operations on graphs. Information is stored in an arc list, pairs of nodes forming edges. Operations include computing in- and out-degrees, computing the in- and out-degree sequences, counting the edges, printing the arc list, generating fixed and random examples.
test_digraph_arc, an Octave code which defines a number of examples of directed graphs ("digraphs"), The definition is stored as an adjacency matrix.
test_graph_adj, an Octave code which defines a number of examples of graphs, The definition is stored as an adjacency matrix.