Tridiagonal M-matrices whose inverse is tridiagonal and related pentadiagonal matrices
Autor:
Barreras, Álvaro
; Peña, Juan Manuel
Fecha:
01/10/2019Palabra clave:
Revista / editorial:
Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales - Serie A: MatematicasTipo de Ítem:
Articulo Revista IndexadaResumen:
A necessary and sufficient condition in order to guarantee that the inverse of a tridiagonal M-matrix is tridiagonal is provided. Pentadiagonal M-matrices whose inverse is pentadiagonal are also analyzed.
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