Paula Fermin Cueto
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Strange log: infeasible root relaxation, feasible MIP
回答済みHello, I am getting a strange log with the MIP I'm trying to solve. The MIP is feasible, as proved by the optimal solution displayed below. However, the log says "infeasible" for the root relaxatio...
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Issue with warm-start after changing rows
回答済みSometimes I need to change the variable coefficient of a constraint and then reoptimise from the previous solution. Whenever this change makes the problem primal infeasible, the dual simplex doesn'...
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Primal and dual simplex
回答済みHow does Gurobi go about re-optimising an LP model when we add both rows and columns to the model from the last solve? Does it do it sequentially, i.e. add columns -> warm start primal simplex -> a...