Gonnet, Pedro; Güttel, Stefan; Trefethen, Lloyd N. Robust Padé approximation via SVD. (English) Zbl 1266.41009 SIAM Rev. 55, No. 1, 101-117 (2013). Reviewer: Francisco Pérez Acosta (La Laguna) MSC: 41A21 65F22 PDFBibTeX XMLCite \textit{P. Gonnet} et al., SIAM Rev. 55, No. 1, 101--117 (2013; Zbl 1266.41009) Full Text: DOI
Gonnet, Pedro; Pachón, Ricardo; Trefethen, Lloyd N. Robust rational interpolation and least-squares. (English) Zbl 1293.65017 ETNA, Electron. Trans. Numer. Anal. 38, 146-167 (2011). MSC: 65D05 41A05 41A20 41A21 PDFBibTeX XMLCite \textit{P. Gonnet} et al., ETNA, Electron. Trans. Numer. Anal. 38, 146--167 (2011; Zbl 1293.65017) Full Text: EMIS
Trefethen, L. N.; Gutknecht, M. H. Padé, stable Padé, and Chebyshev-Padé approximation. (English) Zbl 0624.41020 Algorithms for approximation, Proc. IMA Conf., Shrivenham/Engl. 1985, Inst. Math. Appl. Conf. Ser., New Ser. 10, 227-264 (1987). Reviewer: J.Karlsson MSC: 41A21 65D15 41A20 PDFBibTeX XML
Trefethen, Lloyd N.; Gutknecht, Martin H. On convergence and degeneracy in rational Padé and Chebyshev approximation. (English) Zbl 0567.41017 SIAM J. Math. Anal. 16, 198-210 (1985). Reviewer: J.Karlsson MSC: 41A21 41A20 30E10 41A50 PDFBibTeX XMLCite \textit{L. N. Trefethen} and \textit{M. H. Gutknecht}, SIAM J. Math. Anal. 16, 198--210 (1985; Zbl 0567.41017) Full Text: DOI Link
Gutknecht, Martin H.; Threfethen, Lloyd N. Nonuniqueness of best rational Chebyshev approximations on the unit disk. (English) Zbl 0521.41012 J. Approximation Theory 39, 275-288 (1983). MSC: 41A20 41A21 41A50 30E10 PDFBibTeX XMLCite \textit{M. H. Gutknecht} and \textit{L. N. Threfethen}, J. Approx. Theory 39, 275--288 (1983; Zbl 0521.41012) Full Text: DOI
Gutknecht, Martin H.; Trefethen, Lloyd N. Real and complex Chebyshev approximation on the unit disk and interval. (English) Zbl 0511.30025 Bull. Am. Math. Soc., New Ser. 8, 455-458 (1983). MSC: 30E10 41A20 41A21 PDFBibTeX XMLCite \textit{M. H. Gutknecht} and \textit{L. N. Trefethen}, Bull. Am. Math. Soc., New Ser. 8, 455--458 (1983; Zbl 0511.30025) Full Text: DOI