How do I modify the branch-and-bound algorithm or create a branch-cut-and-price algorithm? Greg Glockner September 08, 2020 13:39 Updated Follow To create a custom algorithm like this, you need to: terminate the optimization, modify the model, and restart the optimization. Further information How do I change parameters in a callback? Related articles What is the difference between user cuts and lazy constraints? Does Gurobi have a solution polishing algorithm? How do I implement lazy constraints in Gurobi? How do I find additional solutions to a model? Why are there large or increasing MIP gap values?