I have a model that now gets a different solution on Gurobi 8.1.1 compared to Gurobi 7.5.2:
Here is the MPS file
The logs for 7.5.2 and 8.1.1 are also in the gist.
Is this a tolerance issue? Expected behavior? Or was a bug fixed?
We're about to submit a paper with results from 7.5.2 and wondering if we have to re-do all the numerical experiments...
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