Unifying Optimal Partition Approach to Sensitivity Analysis in Conic Optimization

E. A. Yildirim
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E. A. Yildirim: Stony Brook University

Journal of Optimization Theory and Applications, 2004, vol. 122, issue 2, No 9, 405-423

Abstract: Abstract We study convex conic optimization problems in which the right-hand side and the cost vectors vary linearly as functions of a scalar parameter. We present a unifying geometric framework that subsumes the concept of the optimal partition in linear programming (LP) and semidefinite programming (SDP) and extends it to conic optimization. Similar to the optimal partition approach to sensitivity analysis in LP and SDP, the range of perturbations for which the optimal partition remains constant can be computed by solving two conic optimization problems. Under a weaker notion of nondegeneracy, this range is simply given by a minimum ratio test. We discuss briefly the properties of the optimal value function under such perturbations.

Keywords: Conic optimization; sensitivity analysis; optimal partition; parametric analysis (search for similar items in EconPapers)
Date: 2004
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Citations: View citations in EconPapers (2)

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DOI: 10.1023/B:JOTA.0000042528.76868.22

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