Encyclopedia of Operations Research and Management Science

2013 Edition
| Editors: Saul I. Gass, Michael C. Fu

Interior Point

Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-1153-7_200337

In a constrained optimization problem, an interior point is a solution point that is not on the boundary of the solution space S. If S is defined by the set of constraints {gi (x) ≤ 0}, then x0 in S is an interior point if gi (x) < 0 for all i.

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© Springer Science+Business Media New York 2013