A nonlinear programming algorithm based on non-coercive penalty functions

A nonlinear programming algorithm based on non-coercive penalty functions

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Article ID: iaor20041831
Country: Germany
Volume: 96
Issue: 1
Start Page Number: 87
End Page Number: 101
Publication Date: Jan 2003
Journal: Mathematical Programming
Authors: ,
Keywords: penalty functions
Abstract:

We consider first the differentiable nonlinear programming problem and study the asymptotic behavior of methods based on a family of penalty functions that approximate asymptotically the usually exact penalty function. We associate two parameters to these functions: one is used to control the slope and the other controls the deviation from the exact penalty. We propose a method that does not change the slope for feasible iterates and show that for problems satisfying the Mangasarian–Fromovitz constraint qualification all iterates will remain feasible after a finite number of iterations. The same results are obtained for non-smooth convex problems under a Slater qualification condition.

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