Algorithms
New postHow optimization algorithms work & improving their performance
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Warm start in callback to improve solution0 votes 0 comments

Bound update rule0 votes 2 comments

Lagrangian Relaxation bound greater than optimal solution0 votes 1 comment

Objective function tolerance0 votes 2 comments

Feasible heuristic solution?0 votes 1 comment

Reliable Results ?1 vote 3 comments

Branching Priority for nonconvex MIQCP0 votes 1 comment

Very slow MIP solving for small problem, how to speed up?0 votes 1 comment

Optimization0 votes 1 comment

If solver hits time limit, is a solution output?0 votes 3 comments

Stochastic programming0 votes 1 comment

Barrier: Inflated problem iterates and solves much faster0 votes 2 comments

Model contains large quadratic objective coefficient range.2 votes 6 comments

What does Gurobi do for different values of the NumericFocus parameter?0 votes 1 comment

Always Global Solutions?0 votes 1 comment

Dealing with 'Suboptimal termination' in Barrier Method1 vote 1 comment

Tolerance and constraint parameters2 votes 3 comments

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

Time limit on a parallel solve0 votes 1 comment

MIP solution process  updating the incumbent objective value0 votes 1 comment

No solution found when using an objective function1 vote 5 comments

meaning of "minrelax" in function "feasRelax"0 votes 1 comment

Distributed MIP logging & rampup question1 vote 0 comments

Heuristic used for set covering0 votes 0 comments

MIP Start and callback0 votes 0 comments

Does the order affect LP performance0 votes 1 comment

Why the gap is so big?0 votes 1 comment