<p>We consider the solution of nonconvex quadratic optimization problems using an outer approximation of the set-copositive cone that is iteratively strengthened with cutting planes and conic constraints. Our methodology utilizes an MILP-based oracle for a generalization of the copositive cone that considers additional linear equality constraints. In numerical testing we evaluate our algorithm on a variety of different nonconvex quadratic problems.</p>

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Solving nonconvex optimization problems using outer approximations of the set-copositive cone

  • Markus Gabl,
  • Kurt M. Anstreicher

摘要

We consider the solution of nonconvex quadratic optimization problems using an outer approximation of the set-copositive cone that is iteratively strengthened with cutting planes and conic constraints. Our methodology utilizes an MILP-based oracle for a generalization of the copositive cone that considers additional linear equality constraints. In numerical testing we evaluate our algorithm on a variety of different nonconvex quadratic problems.