Evren Guney
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Activity overview
Latest activity by Evren Guney-
Evren Guney created a post,
Callback for Initial solution's incumbency
AnsweredHello,I'm using var.Start methods to set the initial values of a problem. Sometimes the initial values might be infeasible or does not provide an incumbent solution at all. If that is the case, Gur...
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Evren Guney commented,
Hi Simon,Good news. I have tried to add the initial solution as hard constraints and then Gurobi found the model is infeasible (it doesnt show the infeasibility of the intial solution and violated ...
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Evren Guney commented,
Hi Simon,I've attached log for two cases. One with a feasible initial solution, one with an infeasible intial solution.As you will see in the first one Gurobi says: "User MIP start did not produce ...
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Evren Guney created a post,
Solver Ignores an Initial Solution
AnsweredHello,I have a very small VRPTW instance (17 nodes) and when I run it, it takes hours and no feasible solution is returned. So I tried to feed Gurobi with a simple initial feasible solution and use...