
Cris
I am studying studying and I really fell in love with optimization area
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Recent activity by Cris-
Ryzen for gurobi
AnsweredHello. I hope how read this massage has a good day. Recently I bought a new laptop. It has a ryzen 4800H and I saw this CPU outperform all i7 with the same specs in a lot of benchmarks. When I trye...
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How modify RHS
AnsweredHello. I need help to modify de RHS of a constr. I saw another post but I am not clear. This is my model model.addConstrs((quicksum(x[i,j] for j in N) <= n*y[i] for i in M),name="Apertura_centro") ...
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Pep-8 in long constrs
OngoingHello. I am doing a Benders' decomposition problem and I have some questions. I have a long constraint and I am not sure the best way to do it. I would like to know if there is no problems if whe...
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Delete a Constraint
AnsweredHello, I have a column generation problem. I am working matrix and I would like delete a constraint to create another new. I would like to know what is the correct option to do this. I saw in docum...
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Array or List
AnsweredHello, I was solving a Frank-Wolfe problem. In each iteration of the algorithm I multiply an array vector with shape (n, ) by my decision variables. I tryed 2 options. First, multiply the array and...
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Abs Value
AnsweredI am trying to solve a problem with absolute value. I used the following sintax https://www.gurobi.com/documentation/9.0/refman/py_abs_.html m.addConstr(y == abs_(x)) but, It gives me an error. Nam...
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Frank-Wolfe Problem.
AnsweredHello. I am trying to solve the following problem. I don't know how to make the Ax term with the gurobi sintax. I don´t know how to convert my vars to a column vector and make the dot product betw...