# Looking for a VRP formulation that fits this need: A VRP with acceleration to be accounted in travel time?

 0 I was working through some VRP literature today and was wondering if there was a VRP formulation that included, say, acceleration times in the cost matrix calculations. Say, for example, I had 3 cities [A, B, C]. the distance between A and C is the same distance as the route between A to B to C. However, the choice to stop at B and service B enroute to C would exceed the cost of going from A to C directly (let's assume a zero service time). i.e. t_{a,b} + t_{b,c} >= t_{a,c} I figured it would be fine to calculate this "acceleration factor" in a time/cost matrix, but you never know if something explicitly exists out there and if it's better. asked 04 Apr '18, 14:38 sgrogan 23●1●1●5 accept rate: 0% You are optimizing something, right? What is your objective and how are you variables defined? (04 Apr '18, 17:39) Austin Buchanan
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