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For questions that involve variables than can only take on one of two values, usually 0 or 1.

5
votes
1answer
I am dealing with a problem having two types of variables: binary variables, and continuous variables. In some cases, the continuous variables are not used, and so the problem contains those binary va …
asked Jun 9 '20 by Mostafa
7
votes
1answer
There are two non-negative integer variables $q$ and $p$, where only one of them can take a positive value. To impose this relation, I write: \begin{align} q &\leq M(1 - y) \tag1 \\ p &\leq M(y) \tag2 …
asked Jan 18 '21 by Mostafa