Alexander Haberman
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Recent activity by Alexander Haberman-
Concurrent Optimizer and Infeasibility
AnsweredIs it possible to use concurrent but have gurobi continue with another algorithm if the first algorithm to terminate yields infeasibility or unboundedness
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Crossover
AnsweredWhat does crossover do? When is it ok to disable it if I'm using barrier? I have an LP for which barrier gets a solution in minutes but crossover takes days.
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Summing Variables by Indices in Python
AnsweredLet's say I have a set of variables x indexed from 1 to 100. How can I constrain the sum of all x indexed i or higher?
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Verification without DStart
OngoingI have two LPs with the same variables but different constraints. I want to check my conjecture that the solutions to the two problems coincide. Unfortunately, one of the problems has an extremely ...
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SOS Constraint with sum
AnsweredIs there a way to create a SOS constraint where one of the variables is a sum of variables? I have n+1 non-negative variables denoted x_1,...x_n, y and would like to add a constraint that either y=...