Originally posted by: VKV7_Anulark_Naber

How can I control branching using a generic callback ?

Thanks.

As far as I know, you can't. Unfortunately (IMO), the generic callback structure does not provide functionality for user-controlled branching.

Originally posted by: VKV7_Anulark_Naber

Thanks for the answer. I am implementing Benders cuts as lazy constraints, but the problem is the candidates found may be far from each other and thus effecting the quality of cuts. I was hoping to control branching or trust region so to stabilize the duals. I would appreciate any ideas on how to implementing the trust region or dual stabilization.

Can you please drop a message to daniel(dot)junglas(at)de(dot)ibm(dot)com? I may have an aswer for you.

As you can read in this announcement, the next version of CPLEX (12.10) will support branching with the generic callback.