An Implementation of the QMR Method Based on Coupled Two-Term Recurrences | Zendy

Roland W. Freund | Zendy; Noël M. Nachtigal | Zendy

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An Implementation of the QMR Method Based on Coupled Two-Term Recurrences

Author(s) -

Roland W. Freund,

Noël M. Nachtigal

Publication year - 1994

Publication title -

siam journal on scientific computing

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.674

H-Index - 147

eISSN - 1095-7197

pISSN - 1064-8275

DOI - 10.1137/0915022

Subject(s) - lanczos resampling , krylov subspace , linear subspace , lanczos algorithm , mathematics , term (time) , basis (linear algebra) , linear system , generalized minimal residual method , algorithm , hermitian matrix , linear algebra , subspace topology , residual , iterative method , algebra over a field , eigenvalues and eigenvectors , physics , quantum mechanics , pure mathematics , mathematical analysis , geometry

Recently, we proposed a new Krylov subspace iteration, the quasi-minimal residual algorithm (QMR) [1], for solving general nonsingular non-Hermitian systems of linear equations $$ Ax = b $$ (1) .

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