{ "id": "1502.07838", "version": "v1", "published": "2015-02-27T09:29:07.000Z", "updated": "2015-02-27T09:29:07.000Z", "title": "Rectangular maximum-volume submatrices and their applications", "authors": [ "A. Yu. Mikhalev", "I. V. Oseledets" ], "comment": "11 pages, 1 figure, submitted to SIAM J. Matrix Analysis", "categories": [ "math.NA", "cs.NA" ], "abstract": "A definition of $p$-volume of rectangular matrices is given. We generalize the results for square maximum-volume submatrices to the case rectangular maximal-volume submatrices and provide estimates for the growth of the coefficients. Three promising applications of such submatrices are presented: recommender systems, finding maximal elements in low-rank matrices and preconditioning of overdetermined linear systems. The code is available online at \\url{https://bitbucket.org/muxas/rect_maxvol}.", "revisions": [ { "version": "v1", "updated": "2015-02-27T09:29:07.000Z" } ], "analyses": { "subjects": [ "65F99", "45A05" ], "keywords": [ "rectangular maximum-volume submatrices", "applications", "case rectangular maximal-volume submatrices", "square maximum-volume submatrices", "rectangular matrices" ], "note": { "typesetting": "TeX", "pages": 11, "language": "en", "license": "arXiv", "status": "editable" } } }