VehicleRouting

class VehicleRouting(graph, num_vehicles=2, depot=0)

Bases: GraphOptimizationApplication

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

References

[1]: “Vehicle routing problem”, https://en.wikipedia.org/wiki/Vehicle_routing_problem

Parameters:

• graph (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.

• num_vehicles (int) – The number of vehicles

• depot (int) – The index of the depot node where all the vehicle depart

Attributes

depot	Getter of depot
num_vehicles	Getter of num_vehicles

Methods

create_random_instance(n[, low, high, seed, ...])	Create a random instance of the vehicle routing problem.
interpret(result)	Interpret a result as a list of the routes for each vehicle
to_quadratic_program()	Convert a vehicle routing problem instance into a QuadraticProgram