Matheus Jun Ota
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Matheus Jun Otaさんの最近のアクティビティ-
Matheus Jun Otaさんがコメントを作成しました:
Hi Eli, The beginning of my code is the following: // integer solutionif (where == GRB_CB_MIPSOL){ solution_value = &CutsCallback::getSolution; nodeCount = getDoubleInfo(GRB_CB_MIPSOL_NODCNT)...
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Matheus Jun Otaさんがコメントを作成しました:
Hi Eli, Thanks for the fast response! This is the log presented by Gurobi: Optimize a model with 26 rows, 50 columns and 100 nonzerosVariable types: 0 continuous, 50 integer (50 binary)Coefficient ...
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Matheus Jun Otaさんが投稿を作成しました:
Early Branching in Branch-and-Cut
Hi, I'm have implemented a branch-and-cut algorithm using Gurobi, but in order to improve its performance, I want to detect when no significant changes happens during the (LP<->separation) loop, an...
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Matheus Jun Otaさんがコメントを作成しました:
Hi Sonja, Thanks for the reply. I'm using Gurobi 8.1. The MIPGapAbs was exactly what I was looking for! Best, Matheus
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Matheus Jun Otaさんが投稿を作成しました:
Integer objective function
回答済みHi All, I have a maximization model where the objective function is a real variable. But this variable is a sum of binary variables multiplied by integer weights. When solving the formulation with ...
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Matheus Jun Otaさんが投稿を作成しました:
Get current BnB node depth
回答済みHi all, Is there any way of getting the current node depth in the GRBCallback? I know that it is possible to get the node count using GRB_CB_MIPNODE_NODCNT, and that if this count is zero, then we ...