Methods for Nonconvex Nonlinear Programming : Complementarity Constraints

  title={Methods for Nonconvex Nonlinear Programming : Complementarity Constraints},
  author={Hande Y. Benson and David F. Shanno and Robert J. Vanderbei},
In this paper, we present the formulation and solution of optimization problems with complementarity constraints using an interior-point method for nonconvex nonlinear programming. We identify possible difficulties that could arise, such as unbounded faces of dual variables, linear dependence of constraint gradients and initialization issues. We suggest remedies. We include encouraging numerical results on the MacMPEC test suite of problems. 
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