I am wondering if someone can answer my question. I am new to LP and wondering how I can check (perhaps from SAS output) whether an optimal solution in proc optmodel is truly unique? Can I check somehow that there is only one(optimal) solution to an objective function or there are several optimal solutions. Thank you!
Thank you for your reply Rob! Unfortunately the CLP solver is not available in the SAS version I have. I am using LP solver and my variables are in decimal format. I am a new to LP so I am wondering if you can advise me where I can read how to use basis information and reduced costs to detect multiple optimal solutions. You help is much appreciated! Thank you!
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