Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

Added

Changed

Fixed

v0.5.1 - 18/09/2021

Added

locked routes checks

Fixed

issues #102, #103, #105 - #110

v0.5.0 - 06/06/2021

Added

heuristic_only option
use_all_vehicles option

Fixed

set covering constraints in last MIP with = sign

v0.4.0 - 13/05/2021

Added

num_vehicles option with periodic option

Changed

cspy 1.0.0
node load when simultaneous distribution and collection (#79) is now accurate

Fixed

issues #79, #82, #84, #86

v0.3.0 - 10/11/2020

Added

JOSS paper
Periodic CVRP scheduling option
Initial solution for CVRP computed with Greedy Algorithm
Diving heuristic (controlled with new parameter in VehicleRoutingProblem.solve)
Hyper-heuristic pricing strategy option pricing_strategy="Hyper".
Jupyter notebooks with hyper-heuristics experiments (one to be updated soon).
Paragraph to the paper with the hyper-heuristic explanation and citations.

Changed

Master problem formulation to column-based
Benchmark tests

v0.2.0 - 07/06/2020

Added

Mixed fleet option
Greedy randomized pricing option
Stabilization with Interior Points
Diving heuristic WIP

Changed

Pricing strategy names