Results 21 to 30 of about 44,584 (264)

A Full Nesterov-Todd Step Infeasible Interior-point Method for Symmetric Optimization in the Wider Neighborhood of the Central Path.

open access: yesStatistics, Optimization and Information Computing, 2021
In this paper, an improved Interior-Point Method (IPM) for solving symmetric optimization problems is presented. Symmetric optimization (SO) problems are linear optimization problems over symmetric cones.
Lesaja Goran, G.Q. Wang, A. Oganian
semanticscholar   +1 more source

Convergence Analysis of an Inexact Feasible Interior Point Method for Convex Quadratic Programming [PDF]

open access: yes, 2012
In this paper we will discuss two variants of an inexact feasible interior point algorithm for convex quadratic programming. We will consider two different neighbourhoods: a (small) one induced by the use of the Euclidean norm which yields a short-step ...
Andersen E. D., Jacek Gondzio
core   +2 more sources

Counterexample to a Conjecture on an Infeasible Interior-Point Method

open access: yesSIAM Journal on Optimization, 2010
Summary: In [the second author, SIAM J. Optim. 16, No.~4, 1110--1136 (2006; Zbl 1131.90029)], Roos proved that the devised full-step infeasible algorithm has \(O(n)\) worst-case iteration complexity. This complexity bound depends linearly on a parameter \(\bar{\kappa}(\zeta)\), which is proved to be less than \(\sqrt{2n}\).
Gu, G. (author), Roos, C. (author)
openaire   +4 more sources

Linear Optimization with Cones of Moments and Nonnegative Polynomials [PDF]

open access: yes, 2014
Let A be a finite subset of N^n and R[x]_A be the space of real polynomials whose monomial powers are from A. Let K be a compact basic semialgebraic set of R^n such that R[x]_A contains a polynomial that is positive on K.
Nie, Jiawang
core   +1 more source

Slow Adaptive OFDMA Systems Through Chance Constrained Programming [PDF]

open access: yes, 2009
Adaptive OFDMA has recently been recognized as a promising technique for providing high spectral efficiency in future broadband wireless systems. The research over the last decade on adaptive OFDMA systems has focused on adapting the allocation of radio ...
Jun, Ying   +4 more
core   +2 more sources

Computational Complexity versus Statistical Performance on Sparse Recovery Problems [PDF]

open access: yes, 2018
We show that several classical quantities controlling compressed sensing performance directly match classical parameters controlling algorithmic complexity.
Boumal, Nicolas   +2 more
core   +5 more sources

Revisiting interval protection, a.k.a. partial cell suppression, for tabular data [PDF]

open access: yes, 2016
The final publication is available at link.springer.comInterval protection or partial cell suppression was introduced in “M. Fischetti, J.-J. Salazar, Partial cell suppression: A new methodology for statistical disclosure control, Statistics and ...
Castro Pérez, Jordi   +1 more
core   +1 more source

Bad semidefinite programs: they all look the same [PDF]

open access: yes, 2017
Conic linear programs, among them semidefinite programs, often behave pathologically: the optimal values of the primal and dual programs may differ, and may not be attained. We present a novel analysis of these pathological behaviors.
Bauschke H.   +6 more
core   +3 more sources

Convergence Analysis of the Inexact Infeasible Interior-Point Method for Linear Optimization [PDF]

open access: yesJournal of Optimization Theory and Applications, 2008
This article studies the use of a primal-dual interior point method for solving large scale linear programs. The article begins with a presentation of the background to this problem and an overview of the existing literature, including the use of Preconditioned Conjugate Gradients (PCG) for inexact infeasible path-following algorithms.
Al-Jeiroudi, G., Gondzio, J.
openaire   +2 more sources

Introducing the sequential linear programming level-set method for topology optimization [PDF]

open access: yes, 2014
The authors would like to thank Numerical Analysis Group at the Rutherford Appleton Laboratory for their FORTRAN HSL packages (HSL, a collection of Fortran codes for large-scale scientific computation. See http://www.hsl.rl.ac.uk/).
Dunning, Peter D., Kim, H. Alicia
core   +3 more sources

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