Hoy, Annegret A note on the computation of double zeros of polynomials via Vieta’s equations. (English) Zbl 0731.65036 Wiss. Z., Martin-Luther-Univ. Halle-Wittenberg, Math.-Naturw. Reihe 40, No. 3, 143-146 (1991). Reviewer: G.Merz (Vellmar) MSC: 65H05 26C10 PDFBibTeX XMLCite \textit{A. Hoy}, Wiss. Z. Martin-Luther-Univ. Halle-Wittenberg, Math.-Naturwiss. Reihe 40, No. 3, 143--146 (1991; Zbl 0731.65036)
Hoy, Annegret A superlinearly convergent Gauss-Newton-type method for rankdeficient consistent least squares problems. (English) Zbl 0719.65042 Wiss. Z., Martin-Luther-Univ. Halle-Wittenberg, Math.-Naturw. Reihe 39, No. 4, 129-135 (1990). Reviewer: A.Roose (Tallinn) MSC: 65H10 PDFBibTeX XMLCite \textit{A. Hoy}, Wiss. Z. Martin-Luther-Univ. Halle-Wittenberg, Math.-Naturwiss. Reihe 39, No. 4, 129--135 (1990; Zbl 0719.65042)
Hoy, Annegret Analysis of bordering approach for solving singular nonlinear equations. (English) Zbl 0709.65042 Wiss. Z., Martin-Luther-Univ. Halle-Wittenberg, Math.-Naturw. Reihe 38, No. 4, 115-121 (1989). Reviewer: B.Döring MSC: 65H10 PDFBibTeX XMLCite \textit{A. Hoy}, Wiss. Z. Martin-Luther-Univ. Halle-Wittenberg, Math.-Naturwiss. Reihe 38, No. 4, 115--121 (1989; Zbl 0709.65042)