170299 20260410165451.0 doi 10.1016/j.laa.2026.03.014 sideral 148843 ART-2026-148843 eng Ballarín, Jorge Universidad de Zaragoza An accurate method for the LU decomposition of amazing matrices 2026 Amazing matrices arise in several important combinatorial problems. In [13], a question was raised concerning how to obtain an LU factorization of these matrices. In this work, we answer this question for the case and introduce a high relative accurate algorithm to compute such a factorization. Numerical experiments are provided to demonstrate the accuracy and effectiveness of the proposed method. Access copy available to the general public Unrestricted info:eu-repo/grantAgreement/ES/DGA/E41-23R info:eu-repo/grantAgreement/ES/MCIU/PID2022-138569NB-I00 info:eu-repo/semantics/openAccess by-nc-nd https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Delgado, Jorge Universidad de Zaragoza (orcid)0000-0003-2156-9856 Liu, Yanxin Orera, Héctor Universidad de Zaragoza (orcid)0000-0002-4794-5875 Peña, Juan Manuel Universidad de Zaragoza (orcid)0000-0002-1340-0666 2005 595 Universidad de Zaragoza Dpto. Matemática Aplicada Área Matemática Aplicada 740 (2026), 1-10 Linear algebra appl. LINEAR ALGEBRA AND ITS APPLICATIONS 0024-3795 648567 http://zaguan.unizar.es/record/170299/files/texto_completo.pdf Versión publicada 1182217 http://zaguan.unizar.es/record/170299/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:170299 articulos driver 2026-04-10-13:46:07 ARTICLE