In this thesis,we mainly consider the interior point algorithm for the generalized linear complementarity problem(GLCP),the generalized nonlinear complementarity problem over a polyhedral cone.The paper consists of three Chapters.Chapter 1 gives an introduction of the thesis,which mainly discusses the current development of our concerned problem,i.e.,the generalized complementarity problem over a polyhedral cone,and the main contribution of this paper is also listed in this chapter.In Chapter 2,we propose a predictor-corrector interior point algorithm for the generalized linear complementarity problem over a polyhedral cone.To this end,we first reformulate GLCP as a standard convex quadratic problem,then establish the relationship between the solution of the GLCP and the convex quadratic problem under some assumptions;finally,we establish a predictor-corrector interior point algorithm for the convex quadratic problem and prove the quadratic convergence of the proposed method.In Chapter 3,we present a path-following perturbation Newton interior point algorithm for the generalized nonlinear complementarity problem over a polyhedral cone.For the generalized nonlinear complementarity problem over a polyhedral cone,we first reformulate it as the constrained nonlinear equations problem, then we give a path-following perturbation Newton interior point algorithm for the constrained nonlinear equations problem.The superlinear convergence of the proposed method is also established.
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