Daniel Kressner; Román Moltó, José Enrique(Wiley, 2014-08)
Novel memory-efficient Arnoldi algorithms for solving matrix polynomial eigenvalue problems are presented. More specifically, we consider the case of matrix polynomials expressed in the Chebyshev basis, which is often ...
Campos, Carmen; Román Moltó, José Enrique(Wiley, 2016-08)
Methods for the polynomial eigenvalue problem sometimes need to be followed by an iterative refinement process to improve the accuracy of the computed solutions. This can be accomplished by means of a Newton iteration ...