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I read a couple of articles and sample code about how to solve TSP with Genetic Algorithms and Ant Colony Optimization etc. But everything I found didn’t include time (window) constraints, eg. “I have to be at customer x before 12am)” and assumed symmetry.
Can somebody point me into the direction of some sample code or articles that explain how I can add constraints to TSP and how I can represent those in code.
Thanks!
Professor Reinelt at university of heidelburg in germany is one of the leading experts for the TSP. He has a collection of papers on the various variants of the TSP.
see http://www.iwr.uni-heidelberg.de/groups/comopt/software/TSPLIB95/
I think your variant is called Vehicle Routing Problem with Time Windows. ( http://en.wikipedia.org/wiki/Vehicle_routing_problem )