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Question regarding invalid gap 0.0000% optimality certificate on a MILP Awaiting user input 0 votes 3 comments -
Is it normal for the gap to decrease very slowly when solving large-scale MILP models? Answered 0 votes 2 comments -
Can MIPSOL happens in the PRESOLVE? Ongoing 0 votes 4 comments -
Numerical Stability: Impact of large bounds on auxiliary vs. explicit variables. Ongoing 0 votes 1 comment -
Combine a piecewise linear objective function and linear objective function Answered 0 votes 1 comment -
Do large implied variable ranges in nonlinear terms affect numerical stability, or only explicit coefficients and rhs matter? 0 votes 1 comment -
Is it better to split nonlinear expressions into auxiliary variables or keep them in a single constraint? Answered 0 votes 1 comment
Modeling
New postMathematical questions around optimization model formulations