Lamas Daviña, Alejandro; Román Moltó, José Enrique(Springer, 2016-04-02)
In an eigenvalue problem defined by one or two matrices with block-tridiagonal structure, if only a few eigenpairs are required it is interesting to consider iterative methods based on Krylov subspaces, even if matrix ...
Jolivet, Pierre; Roman, Jose E.; Zampini, Stefano(Elsevier, 2021-02-15)
[EN] Contemporary applications in computational science and engineering often require the solution of linear systems which may be of different sizes, shapes, and structures. The goal of this paper is to explain how two ...