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Original Articles

A non-monotone linear search algorithm with mixed direction on Stiefel manifold

, &
Pages 437-457 | Received 11 May 2017, Accepted 05 Dec 2017, Published online: 22 Jan 2018
 

Abstract

In this paper, we propose a non-monotone line search method for solving optimization problems on Stiefel manifold. The main novelty of our approach is that our method uses a search direction based on a linear combination of descent directions and a Barzilai–Borwein line search. The feasibility is guaranteed by projecting each iterate on the Stiefel manifold through SVD (singular value decomposition) factorizations. Some theoretical results for analysing the algorithm are presented. Finally, we provide numerical experiments for comparing our algorithm with other state-of-the-art procedures. The code is available online. The experimental results show that the proposed algorithm is competitive with other approaches and for particular problems, the computational performance is better than the state-of-the-art algorithms.

AMS Subject Classification:

Disclosure statement

No potential conflict of interest was reported by the authors.

Notes

2. The tool-box manopt is available in http://www.manopt.org/

3. The Sgmin solver is available in http://web.mit.edu/~ripper/www/sgmin.html

Additional information

Funding

This work was supported in part by Consejo Nacional de Ciencia y Tecnologìa (CONACYT) (Mexico), grant 258033 and the Brazilian Government, through the Excellence Fellowship Program CAPES/IMPA of the second author while visiting the Department of Mathematics at UFPR.

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