Post-Solution Information in a MIP

Interpreting Solution Statistics explains how to use the display command in the Interactive Optimizer to see post-solution information from the linear optimizers. However, because of the way integer solutions are generated, the display command shows you only limited information from the MIP optimizer. In fact, ILOG CPLEX generates integer solutions by solving subproblems that have different bounds from the original problem, so computing solution values with the original bounds will not usually give the same solution. Nevertheless, the following solution statistics are available from the MIP optimizer:

If you request other solution statistics, ILOG CPLEX will issue the error message, "Not available for mixed integer problems-use CHANGE PROBLEM to change the problem type."


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