Baksalary, Oskar Maria; Trenkler, Götz On matrices whose Moore-Penrose inverse is idempotent. (English) Zbl 1493.15009 Linear Multilinear Algebra 70, No. 11, 2014-2026 (2022). MSC: 15A09 15A10 PDFBibTeX XMLCite \textit{O. M. Baksalary} and \textit{G. Trenkler}, Linear Multilinear Algebra 70, No. 11, 2014--2026 (2022; Zbl 1493.15009) Full Text: DOI
Raslan, Kamal R.; Hadhoud, A. R.; Shaalan, M. A. Numerical treatment of first order matrix differential equations using different cubic B-spline functions. (English) Zbl 1455.65065 J. Egypt. Math. Soc. 26, 269-277 (2018). MSC: 65F45 15A24 65L10 41A15 PDFBibTeX XMLCite \textit{K. R. Raslan} et al., J. Egypt. Math. Soc. 26, 269--277 (2018; Zbl 1455.65065) Full Text: DOI
Rogina, Mladen; Singer, Sanja Conditions of matrices in discrete tension spline approximations of DMBVP. (English) Zbl 1177.65066 Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 53, No. 2, 393-404 (2007). MSC: 65F35 65D07 15A18 PDFBibTeX XMLCite \textit{M. Rogina} and \textit{S. Singer}, Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 53, No. 2, 393--404 (2007; Zbl 1177.65066) Full Text: DOI