Eunseok Kim
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Eunseok Kimによる最近のアクティビティ-
Gurobi worsen the coefficient ranges while it handles non-convex quadratic constraints and cause numerical issue
進行中Hi, I'm having trouble to solve my model due to numerical issue, so I'm wandering any method mitigate this numerical issue. 1) My model contains some non-convex bi-linear constraints and genera...
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Warm start approach gives suboptimal solution
ユーザーの入力を待っています。Hi, I use a warm-start approach to solving MIP problems because Gurobi takes too long to solve them if I don't provide an initial feasible solution.The problem is that the results of the warm-start...
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The IIS of infeasible model is feasible when I run it separately
回答済みHello, I have a question about infeasible models. Currently, Gurobi claims my model is infeasible. So after m.feasRelaxS(0, False, False, True), m.optimize() presents that the best objective is 0. ...
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Is this IIS infeasible?
ユーザーの入力を待っています。I'm solving a model with log constraints, and Gurobi tells me that the model is infeasible with the following IIS: ======================================================= Minimize 0 gterm_S_mul_I[...
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Model proven infeasible by zero objective heuristic
回答済みHello, I have found that Gurobi claims the model is infeasible with the following message (Note that I'm solving a minimization problem): ===========================================================...
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Model is infeasible. Can it be explained by numerical issue?
ユーザーの入力を待っています。Hello, I'm solving an LP model involved with Min[.] function constraints, and Gurobi claims the model is infeasible. This model reads some data to construct the formulation (i.e., coefficients of A...