Introduction In this tutorial we are going to show you how to model a vehicle routing problem where tasks do not only have multiple dependencies, but also require special skills. For example, let us assume we have two technicians called Peter and Stefan. Peter cannot only read the warm water meter, but he can also […]

Introduction In this tutorial we are going to show you how to model a traveling salesman problem with a week-planning horizon. For example, let us assume you have ONE worker that needs to visit 25 customers in the course of the next week. Let us also assume that the worker has specific daily working hours […]