Five-Precision GMRES-Based Iterative Refinement
DOI10.1137/23m1549079OpenAlexW3161018377WikidataQ128147833 ScholiaQ128147833MaRDI QIDQ6154942
Nicholas J. Higham, Alfredo Buttari, Theo A. Mary, Jean-Yves L'Excellent, Unnamed Author, Patrick R. Amestoy
Publication date: 16 February 2024
Published in: SIAM Journal on Matrix Analysis and Applications (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1137/23m1549079
linear systempreconditioningGMRESfloating-point arithmeticbackward errorrounding error analysisiterative refinementmultiple precisionmixed precisionforward error
Computational methods for sparse matrices (65F50) Iterative numerical methods for linear systems (65F10) Roundoff error (65G50) Direct numerical methods for linear systems and matrix inversion (65F05) Preconditioners for iterative methods (65F08)
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