NLP problems which have slack in all the constraints
A) are infeasible.
B) are only at local optimal solutions.
C) have zeros for all shadow prices.
D) are at an interior point of the feasible region.

Question

Quizplus · Accepted Answer

If there is slack in all the constraints, it means that the current solution is not at the boundary of the feasible region. Therefore, it must be at an interior point of the feasible region.

NLP Problems Which Have Slack in All the Constraints