Paula Fermin Cueto
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Activity overview
Latest activity by Paula Fermin Cueto-
Paula Fermin Cueto commented,
Thank you very much for your answer. I understand now. What an interesting example!
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Paula Fermin Cueto created a post,
Strange log: infeasible root relaxation, feasible MIP
AnsweredHello, 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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Paula Fermin Cueto commented,
Hi Jaromił, Thank you very much for this clarification. It is going to be tricky to control the size of the problem. I really want to avoid destroying the warm-start without keeping redundant rows...
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Paula Fermin Cueto created a post,
Issue with warm-start after changing rows
AnsweredSometimes 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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Paula Fermin Cueto commented,
Hi Jaromił, That makes sense, thank you for confirming this. Paula
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Paula Fermin Cueto created a post,
Primal and dual simplex
AnsweredHow 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...