Hon, Sean; Wathen, Andrew Circulant preconditioners for analytic functions of Toeplitz matrices. (English) Zbl 1404.65015 Numer. Algorithms 79, No. 4, 1211-1230 (2018). MSC: 65F08 15B05 65F10 65F60 × Cite Format Result Cite Review PDF Full Text: DOI Link
Hon, Sean Optimal preconditioners for systems defined by functions of Toeplitz matrices. (English) Zbl 1392.65030 Linear Algebra Appl. 548, 148-171 (2018). MSC: 65F08 65F10 65F15 15A16 15B05 × Cite Format Result Cite Review PDF Full Text: DOI arXiv