Algorithms
New postHow optimization algorithms work & improving their performance
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Distributed MIP logging & rampup question3 votes 7 comments

Model contains large quadratic objective coefficient range.2 votes 9 comments

Tolerance and constraint parameters Answered2 votes 3 comments

Theory about the algorithms Answered2 votes 2 comments

Optimization time: local machine vs computer cluster1 vote 0 comments

Worse performance for smaller problem Awaiting user input1 vote 4 comments

Speeding up Gurobi LP solver Ongoing1 vote 8 comments

same LP solution multiple times in root node, user cuts ignored1 vote 1 comment

Astronomically low node throughput; major degeneracy? Answered1 vote 2 comments

the time Answered1 vote 1 comment

Providing integer start solution drastically increases root relaxation computation time Answered1 vote 7 comments

Advice on Cuts and Reducing Solution Time Ongoing1 vote 1 comment

Implementation of Benders Decomposition with Callbacks Ongoing1 vote 1 comment

Is it possible to get the value of the Interior Solution ? Ongoing1 vote 3 comments

Lift and project cut Answered1 vote 2 comments

Are linear variables tight when having an incumbent integer solution? Answered1 vote 2 comments

Cannot find feasible solution and programm killed after a long time Answered1 vote 4 comments

Gurobi applies heuristics even after turning them off Ongoing1 vote 5 comments

Does Gurobi 9.0 guarantee global optimality for MICQP? Ongoing1 vote 4 comments

Reliable Results ? Answered1 vote 3 comments

Dealing with 'Suboptimal termination' in Barrier Method Answered1 vote 1 comment

What solution wll GUROBI return when solving an unbounded MILP?1 vote 0 comments

No solution found when using an objective function Answered1 vote 5 comments

Cut loop at root node of MIP Answered1 vote 6 comments

Order of variables & constraints vs. performance Answered1 vote 3 comments

Adding multiple cuts in a single node (branchandcut algorithm) Answered1 vote 1 comment

Will Gurobi retain lazy cuts after changing the objective coefficients? Answered1 vote 4 comments

How to terminate once barrier solves problem Answered1 vote 1 comment