Target following Algorithms for Semidefinite Programming

نویسنده

  • CHEK BENG CHUA
چکیده

We present a target-following framework for semidefinite programming, which generalizes the target-following framework for linear programming. We use this framework to build weighted path-following interior-point algorithms of three distinct flavors: short-step, predictor-corrector, and large-update. These algorithms have worst-case iteration bounds that parallel their counterparts in linear programming. We further consider the problem of finding analytic centers given a pair of primal-dual strictly feasible solutions. An algorithm that moves towards the analytic center prior to reducing the duality gap has a better iteration bound than the weighted path-following algorithms. In the case of linear programming, this bound is also an improvement over existing similar algorithms. 2000 Mathematics Subject Classification. 90C22; 90C25.

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تاریخ انتشار 2006