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Starting with HiGHS

With version 1.5.3 you should add constraints using the addRow(...) method in the format lhs <= constraint <= rhs ...
Guilherme Coelho's user avatar
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How to identify constraints that are good candidates for being lazy constraints?

Good candidates for lazy constraints are constraints which are not active in the optimal solutions of the relaxations. Thus, removing them speeds up the relaxation. For lazy constraints to be useful, ...
fontanf's user avatar
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