-
While testing `v1.8.0-rc.1` on various benchmarks, I spotted an unexpected increase in computing times for VRPTW instances from Solomon. Because all jobs are always assigned and there is no break, the…
-
**What version of OR-tools and what language are you using?**
Version: ortools-V2015-09.jar
Language: Java
**Which solver are you using (e.g. CP-SAT, Routing Solver, GLOP, BOP, Gurobi)**
Linear …
-
What is the best way to specify (or limit) the nodes specific vehicles are allowed to visit (I know upfront what nodes a vehicle is allowed to visit)?
I'm trying to model 'skills vrp', i.e. each vehi…
-
**What language and solver does this apply to?**
Python / Routing
**Describe the problem you are trying to solve.**
Multi-objective optimization for VRP with distance and priority (soft) as the …
-
**What version of OR-tools and what language are you using?**
Version: 7.7.7810
Language: Python
**Which solver are you using (e.g. CP-SAT, Routing Solver, GLOP, BOP, Gurobi)**
constraint_solve…
-
Hi, I'm experiencing a very strange issue.
I'm solving a VRPTW with pickups and deliveries with an initial solution found by a greedy algorithm of my own invention. I'm using default search strategy…
-
**What version of OR-tools and what language are you using?**
Version: master
Language: Python
**Which solver are you using (e.g. CP-SAT, Routing Solver, GLOP, BOP, Gurobi)**
CVRPTW
**What oper…
-
After looking around, it looks like [VROOM](http://vroom-project.org/) is the best candidate for this, because it plays nicely with our existing stack (it uses [OSRM](http://project-osrm.org/) under t…
-
Hey,
I have made a VRPTW that does from start to ends, within a timeframe. That part works just fine. However, I want to exclude ends from overall cost, yet still have routes that goes towards them…
-
Hi all,
I'm using or-tools to solve a VRPTW with Guided Local Search in Python. My idea to solve it is quite similar to https://www.researchgate.net/publication/2886283_Guided_Local_Search_for_the_…