Complexity analysis of primal-dual interior-point methods for convex quadratic programming based on a new twice parameterized kernel function

Document Type : Research Article

Authors

1 Laboratory of Pure and Applied Mathematics, Faculty of Exact Sciences and Informatics, University of Jijel, 18000 Jijel, Algeria

2 Shiraz University of Technology, Fars 71557-13876, Shiraz, Iran

Abstract

In this paper, we present primal-dual interior-point methods (IPMs) for convex quadratic programming (CQP) based on a new twice parameterized kernel function (KF) with a hyperbolic barrier term.  To our knowledge, this is the first KF with a twice parameterized hyperbolic barrier term. By using some conditions and simple analysis, we derive the currently best-known iteration bounds for large- and small-update methods, namely, O(nlog⁡nlog⁡nϵ) and O(nlog⁡nϵ), respectively, with  special choices of the parameters. Finally, some numerical results regarding the practical performance of the new proposed KF are reported.

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Journal of Mathematical Modeling
Volume 12, Issue 2
July 2024
Pages 247-265

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