On the characterization of almost strictly sign regular matrices

• Autores: Pedro Alonso Velázquez , Juan Manuel Peña Fernández , María Luisa Serrano Ortega
• Localización: Journal of computational and applied mathematics, ISSN 0377-0427, Vol. 275, Nº 1, 2015, págs. 480-488
• Idioma: inglés
• DOI: 10.1016/j.cam.2014.01.032
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• Resumen

  • An algorithmic characterization of the nonsingular almost strictly sign regular matrices by Neville elimination is presented.