ILOG CPLEX 11.0 User's Manual

◆In the Interactive Optimizer, use this command, where i represents the index of thesolution in the solution pool: write filename.mst iYou can also write all the solutions from the solution pool plus the incumbent to a singleMIP start file.◆In Concert Technology● In the C++ API, use IloCplex::writeMIPStarts .● In the Java API, use IloCplex.writeMIPStarts .●In the .NET API, use Cplex.WriteMIPStarts.◆In the Callable Library (C API), use the routine CPXmstwritesolnpoolall◆In the Interactive Optimizer, use this command: write filename.mst allSimilarly, you can use a solution from the solution pool to change the fixed problem of yourMIP model. Only these two types are supported for this change:●●CPXPROB_FIXEDMILPCPXPROB_FIXEDMIQP◆◆◆In Concert Technology● In the C++ API, use IloCplex::solveFixed.● In the Java API, use IloCplex.solveFixed.● In the .NET API, use Cplex.SolveFixed.In the Callable Library (C API), use the routine CPXchgprobtypesolnpool.In the Interactive Optimizer, the following command changes the fixed problem to that ofthe solution at index i in the pool: change problem fixed iDeleting Solutions from the Solution PoolWhen the parameter AdvInd (CPX_PARAM_ADVIND) is set to 0 (zero) and a newoptimization is started, either by MIP optimization or by populate, all solutions in thesolution pool are deleted automatically.You can also delete solutions yourself from the pool.◆ In Concert Technology, use the methods:● IloCplex::delSolnPoolSolns in the C++ API.●●IloCplex.delSolnPoolSolns in the Java API.Cplex.DelSolnPoolSolns in the .NET API.ILOG CPLEX 11.0 — USER’ S MANUAL 319