Martina Gherardi
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Martina Gherardiによる最近のアクティビティ-
MIP start and Heuristic callback
回答済みHi, I would like to receive a message about constraint violation when using heuristic callback. When I warm start the model, if there is an infeasibility, I obtain user MIP start violates constra...
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Usercuts in the root node with Gurobi Callback
ユーザーの入力を待っています。Hi, I would like to add user cuts in the root node using Julia. With the code cb_calls = Cint[] function my_callback_function(cb_data, cb_where::Cint) push!(cb_calls, cb_where) if cb_where != ...
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Warm start Non-Convex Quadratic Optimization in GAMS
回答済みHi, I am trying to warm-start a model with bilinear constraints and continuous variables to the locally optimal solution found with IPOPT. Accorded to https://support.gurobi.com/hc/en-us/communi...
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Nonconvex=2 and Presolve
回答済みHi, I have a problem that contains 9 bilinear constraints: each constraint has a product of 2 continuous variables. Note that the problem has only continuous variables. I modeled the problem in G...