Originally posted by: SystemAdmin

[ekimg said:]

Hi all,

I am new user to Cplex under Visual C++. I am trying to make some local search using cplex but I do not know where to start.

I have a mip problem. Local search gives values of the one variable to the model and cplex solves the problem under these fixed values (there are two variables in the problem). This procedure goes on until a termination criterion. I looked at the examples but I could not find any related one. I am thinking of using Goals in cplex but I am not sure.

Any idea or help will be appreciated.

Thanks.
#CPLEXOptimizers
#DecisionOptimization

Originally posted by: SystemAdmin

[prubin said:]

Any easy way to fix a variable temporarily is to set its lower and upper bounds to the target value.  To unfix it, just revert the bounds to their original values.

/Paul
#CPLEXOptimizers
#DecisionOptimization

Originally posted by: SystemAdmin

[ekimg said:]

Thank you for your reply but I can not understand it. Local search will determine the variables to be fixed. So I do not think your suggestion will work. Or I missunderstand it.

Thanks.
#CPLEXOptimizers
#DecisionOptimization