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Retrieve multiple feasible from BARON result file #915

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@Jasmine1004

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I'm using Pyomo to call BARON since BARON has a feature that can retrieve multiple feasible solutions in the feasible region. (Please see P17 of BARON manual) The option that I need to pass is "numsol". However, I checked the BARONSSHELL in Pyomo, it seems that it doesn't read multiple solutions from the result file that is generated by BARON. Maybe I was wrong. Can anybody help me with this? Can pyomo read multiple solutions?
After I added arg "keepfiles=True" in the solver, pyomo gives me the location of temp result file generated by BARON. I checked that and I do see multiple feasible solutions there. The only reason I can't just use that file is because those indexes have a different mapping from what i defined in Pyomo.

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