ILOG CPLEX 10.2 Getting Started > Tutorials > Concert Technology Tutorial for C++ Users > Modifying an Optimization Problem: Example ilolpex3.cpp > Starting from a Previous Basis

Before solving the modified problem, example ilolpex3.cpp sets the optimizer option to IloCplex::Dual, as this is the algorithm that can generally take best advantage of the optimal basis from the previous solve after the addition of constraints.

You can view the complete program online in the standard distribution of the product at yourCPLEXinstallation/examples/src/ilolpex3.cpp.