Questions tagged [constraints]

In mathematics, a constraint is a condition of an optimization problem that the solution must satisfy.

In mathematics, a constraint is a condition of an optimization problem that the solution must satisfy. Reference: Wikipedia.

There are several types of constraints—primarily equality constraints, inequality constraints, and integer constraints. The set of candidate solutions that satisfy all constraints is called the feasible set.

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primal constrain

I'm new to the dual problem. As you see, here gives one primal problem. I'm confusing about the constraint $3\leq x_3 \leq 4$, in the textbook I can not find the similar one. Could anybody teach me how to deal with this kind of constraint? Just a…
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