Friday, April 11, 2014

Recommended Reading: "The computer auto-route didn't do what I expected!"

Here is a great article about why computerized routing programs frequently generate "optimal" results that folks don't understand, and thus "aren't good": http://www.optaplanner.org/blog/2013/08/06/FalseAssumptionsForVRP.html

Shortest routes: Not always best. Fewest trucks: Not always best. Focus on time slots before capacity: not always best. No crossing routes: not always best.

Good route results usually look something like this:


This is why NP-hard problems (like routing) are **hard**. :)


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