Novaković, Vedran; Singer, Sanja; Singer, Saša Estimates for the spectral condition number of cardinal B-spline collocation matrices. (English) Zbl 1206.65036 Math. Commun. 15, No. 2, 503-519 (2010). MSC: 65D07 41A15 65D05 15A12 PDFBibTeX XMLCite \textit{V. Novaković} et al., Math. Commun. 15, No. 2, 503--519 (2010; Zbl 1206.65036) Full Text: arXiv
Singer, Sanja; Singer, Saša Symmetric indefinite factorization of quasidefinite matrices. (English) Zbl 0941.15006 Math. Commun. 4, No. 1, 19-25 (1999). Reviewer: E.Ellers (Toronto) MSC: 15A23 65F05 15A42 PDFBibTeX XMLCite \textit{S. Singer} and \textit{S. Singer}, Math. Commun. 4, No. 1, 19--25 (1999; Zbl 0941.15006)