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pre-solve algorithm Answered 0 votes 2 comments -
User Cuts cut off too much (done after one cut) - Problem with Presolver Ongoing 0 votes 3 comments -
Callback cut count and cut count in the MIP log are not equal Answered 0 votes 4 comments -
Can we add user cuts on root node only? Answered 0 votes 3 comments -
Lazy Constraints with Presolve Answered 0 votes 2 comments -
Branch-and-cut performance and PreCrush Answered 0 votes 3 comments -
warm start LP solver in Gurobi Answered 0 votes 3 comments -
L1 minimization Answered 0 votes 8 comments -
Custom heuristic implementation for MIQCP Answered 0 votes 5 comments -
User cuts are not counted in the MIP log Ongoing 0 votes 4 comments -
pre-solve is buggy Answered 0 votes 7 comments -
How do I specify the algorithm used to solve my model in pyomo? Answered 1 vote 2 comments -
Branch-and-Bound integer/float Answered 0 votes 2 comments -
Crossover Takes Long Answered 0 votes 2 comments -
Stop callbacks Answered 0 votes 2 comments -
Bug with "presolve" Answered 0 votes 4 comments -
Unable to find sub-optimal solution Answered 1 vote 4 comments -
Some questions about what I do to deal with the slow decline of gap value. Answered 0 votes 7 comments -
Bug report: Different settings of MIPFocus result in different number of solutions Answered 0 votes 8 comments -
Barrier algorithm and Unboundedness detection 0 votes 1 comment -
About the MIPgap Answered 0 votes 4 comments -
Numeric stability with SOC Answered 0 votes 3 comments -
What happens after root relaxation has been solved? Long time before exploring further nodes according to log Answered 1 vote 5 comments -
Presolve information Answered 0 votes 2 comments -
Solver is Frozen Answered 0 votes 2 comments -
Beaten by a naive method solving MILP Ongoing 0 votes 5 comments -
About the Cholesky decomposition in the barrier method Answered 0 votes 4 comments -
About the memory usage Awaiting user input 0 votes 2 comments -
Criteria for Barrier method early termination Answered 0 votes 4 comments -
Optimization time: local machine vs computer cluster Answered 1 vote 2 comments
Algorithms
New postHow optimization algorithms work & improving their performance