ALESSANDRA VIEIRA
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ALESSANDRA VIEIRAさんの最近のアクティビティ-
ALESSANDRA VIEIRAさんがコメントを作成しました:
Hello David, Thank you for your answers. The code that referred to : new_model.reset();original_model.reset();new_model.write("problem_2.lp");new_model.optimize();// Retrieving variables from t...
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ALESSANDRA VIEIRAさんがコメントを作成しました:
Thank you for your answer!You wrote: "The model was copied but the variable objects you created for the first model are still attached only to this one.", soI can't understand how: after using rese...
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ALESSANDRA VIEIRAさんが投稿を作成しました:
Create new model in the same C++ file
進行中I am modelling in GUROBI C++. I generate a model with several decision variables and constraints model. Next, I copy the orignal model in new_model and add new constraint refering the variables ...
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ALESSANDRA VIEIRAさんがコメントを作成しました:
Hi Riley, Thank you! With the suggested approach (and also remembering that Q(x) has many variables compounding it, as the x goes further in set X, the previous constraint in x-1 must be removed ...
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ALESSANDRA VIEIRAさんがコメントを作成しました:
Hi people, I'm still trying to solve my problem... I tried several scenarios,didn't work at all, first I tried just to change in RHS (Gurobi 11/C++) expr[x].RHS(new_value), but it wasn't recogni...
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ALESSANDRA VIEIRAさんがコメントを作成しました:
Hi Simran, Thank you for your fast answer! My optimization procedure in summary consists of the following : -Runs suboptimal model without constraint in while loop; -Add constraints in part, until ...
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ALESSANDRA VIEIRAさんがコメントを作成しました:
Hi, Would it be possible to run the same model in consecutive optimizations? removing from the previous constraint, then running again, without the last optimization being influenced by the removed...
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ALESSANDRA VIEIRAさんがコメントを作成しました:
Hallo gurobot! The question is : GRBVar x;GRBLinExrpr b;GRBQuadExpr c;GRBLinExpr d;c=6*x;d=x+x;b= c+d; The solver does not accept, the sum of expr can be easily a LinExpr, but I think is because...
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ALESSANDRA VIEIRAさんがコメントを作成しました:
Hi Matthias, The problem is my array P_wind is one single function output, that was randomly chosen from one data 2-D array [T][N] that will be the Upper Bound (UB) for the Gurobi variable W_curt[...
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ALESSANDRA VIEIRAさんが投稿を作成しました:
Bounds for Variable
回答済みI am using Gurobi 9.0, with C++. I am trying to put an array element, that is created for a C++ function ( use random) as a UPPER bound of a GRB Var array, as follows: for ( t = 0; t < z; t++) { ...