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Tsp

class Tsp(graph)[source]

Bases: GraphOptimizationApplication

Optimization application for the “traveling salesman problem” [1] based on a NetworkX graph.

References

[1]: “Travelling salesman problem”, https://en.wikipedia.org/wiki/Travelling_salesman_problem

Parameters:

graph (Union[Graph, ndarray, List]) – A graph representing a problem. It can be specified directly as a NetworkX graph, or as an array or list format suitable to build out a NetworkX graph.

Attributes

Methods

create_random_instance(n[, low, high, seed])

Create a random instance of the traveling salesman problem

interpret(result)

Interpret a result as a list of node indices

parse_tsplib_format(filename)

Read a graph in TSPLIB format from file and return a Tsp instance.

to_quadratic_program()

Convert a traveling salesman problem instance into a QuadraticProgram

tsp_value(z, adj_matrix)

Compute the TSP value of a solution.