Algorithms
New postHow optimization algorithms work & improving their performance
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Tolerance and constraint parameters Answered2 votes 3 comments

Theory about the algorithms Answered2 votes 2 comments

How do I specify the algorithm used to solve my model in pyomo? Answered1 vote 1 comment

Unable to find suboptimal solution Answered1 vote 3 comments

Optimization time: local machine vs computer cluster Answered1 vote 1 comment

Worse performance for smaller problem Answered1 vote 4 comments

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

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

Reliable Results ? Answered1 vote 3 comments

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

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

Speed up gurobi to solve an milp Answered1 vote 13 comments

BranchandBound integer/float Answered0 votes 1 comment

Crossover Takes Long Answered0 votes 1 comment

Stop callbacks Answered0 votes 1 comment

Bug with "presolve" Answered0 votes 1 comment

Some questions about what I do to deal with the slow decline of gap value. Answered0 votes 6 comments

About the MIPgap Answered0 votes 3 comments

Numeric stability with SOC Answered0 votes 2 comments