Gawlik, Evan S.; Nakatsukasa, Yuji Approximating the \(p\)th root by composite rational functions. (English) Zbl 1471.41006 J. Approx. Theory 266, Article ID 105577, 16 p. (2021). Reviewer: Josef Kofroň (Praha) MSC: 41A20 41A25 41A50 65D15 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Antezana, Jorge; Chiumiento, Eduardo Approximation by partial isometries and symmetric approximation of finite frames. (English) Zbl 1421.42016 J. Fourier Anal. Appl. 24, No. 4, 1098-1118 (2018). Reviewer: Lucian Coroianu (Oradea) MSC: 42C15 41A29 41A52 15A18 × Cite Format Result Cite Review PDF Full Text: DOI arXiv Link
Sharon, Nir; Shkolnisky, Yoel Evaluating non-analytic functions of matrices. (English) Zbl 1402.65038 J. Math. Anal. Appl. 462, No. 1, 613-636 (2018). MSC: 65F60 15A16 15A60 41A50 65F35 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Tsitouras, Ch.; Katsikis, V. N. Bounds for variable degree rational \(L_\infty\) approximations to the matrix cosine. (English) Zbl 1348.65083 Comput. Phys. Commun. 185, No. 11, 2834-2840 (2014). MSC: 65F60 65D15 41A50 15A16 × Cite Format Result Cite Review PDF Full Text: DOI
Liesen, Jörg; Tichý, Petr Max-min and min-max approximation problems for normal matrices revisited. (English) Zbl 1296.90136 ETNA, Electron. Trans. Numer. Anal. 41, 159-166 (2014). MSC: 90C47 49K35 65F10 × Cite Format Result Cite Review PDF Full Text: arXiv EMIS