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I am running my small-version of my model on multiple combination parameters. It's a simple experiments to sanity-check the results of the model. For selected parameter combination the model is cle...

Does gurobi suffer from catastrophic forgetting?

I am running the same model on two different PCs, and given the same parameters and time limit, one is giving about 0.055% optimality gap, while the other is giving 85% optimality gap and way lower...

What could be the issue and how can I solve it, when I am having successful matches (solutions) for a small number of input dataset, however when I input a larger dataset that includes the smaller ...

What does Presolve exactly do?

What does it mean when I see this in the log for a while "Continuing optimization... ", even though I used the parameter: model.Params.OutputFlag = 1, to get detailed information during the optimzi...

What exactly happens when I construct a model, run an optimization, then change the parameters, and run the optimization again? Does the second run learn from the first run and start where it left ...

Is there a difference between suing quicksum() and sum()? would it affect the results? or computational time? or intermediate results if a time limit was added?

I am running a MIP problem. I am using a set of inputs and the code converges and I get 27 feasible solutions (which are optimal matches) that would reduce the objective function, although I was ex...

I used model.x, to save the variables and print them, but this doesn't include variable names.  Also, I need to only print variables>0.  And I have too many variables in the magnitude of 100K, so I...