qml.qaoa.cycle.edges_to_wires

edges_to_wires(graph)

Maps the edges of a graph to corresponding wires.

Example

>>> g = nx.complete_graph(4).to_directed()
>>> edges_to_wires(g)
{(0, 1): 0,
 (0, 2): 1,
 (0, 3): 2,
 (1, 0): 3,
 (1, 2): 4,
 (1, 3): 5,
 (2, 0): 6,
 (2, 1): 7,
 (2, 3): 8,
 (3, 0): 9,
 (3, 1): 10,
 (3, 2): 11}

>>> g = rx.generators.directed_mesh_graph(4, [0,1,2,3])
>>> edges_to_wires(g)
{(0, 1): 0,
 (0, 2): 1,
 (0, 3): 2,
 (1, 0): 3,
 (1, 2): 4,
 (1, 3): 5,
 (2, 0): 6,
 (2, 1): 7,
 (2, 3): 8,
 (3, 0): 9,
 (3, 1): 10,
 (3, 2): 11}

Parameters

graph (nx.Graph or rx.PyGraph or rx.PyDiGraph) – the graph specifying possible edges

Returns

a mapping from graph edges to wires

Return type

Dict[Tuple, int]

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