Codes and scientific data - Chaire analytique

Articles

Learning Heuristics for the TSP by Policy Gradient

Sourcecode: https://github.com/MichelDeudon/encode-attend-navigate

Optimization-Based Adaptive Large Neighborhood Search for the Production Routing Problem

Instances

Instance set A (Archetti et al. instances) Download (originally from www-c.eco.unibs.it/~bertazzi/ml.zip)

Instance set B (Boudia et al. instances) Download

Detailed results Download

Formulations and Branch-and-Cut Algorithms for Multi-Vehicle Production and Inventory Routing Problems

Instances

MVPRP instances – generated from the instance set A above (can be obtained here Download)

MVIRP instances – generated from the instances from www-c.eco.unibs.it/~bertazzi/abls.zip (can also be downloaded here Download)
(note: see computational experiments section of the paper for the details of the instance generation)

Detailed results

Details of the best heuristic solutions generated by Op-ALNS Download

Details of the exact solutions Download