Fletcher, Roger A new degeneracy method and steepest-edge-based conditioning for LP. (English) Zbl 0918.65042 SIAM J. Optim. 8, No. 4, 1038-1059 (1998). Reviewer: J.Guddat (Berlin) MSC: 65K05 90C05 PDFBibTeX XMLCite \textit{R. Fletcher}, SIAM J. Optim. 8, No. 4, 1038--1059 (1998; Zbl 0918.65042) Full Text: DOI
Fletcher, R. Block triangular orderings and factors for sparse matrices in LP. (English) Zbl 0903.65022 Griffiths, D. F. et al., Numerical analysis 1997. Proceedings of the 17th Dundee biennial conference, University of Dundee, GB, June 24–27, 1997. Harlow: Longman. Pitman Res. Notes Math. Ser. 380, 91-110 (1998). MSC: 65F05 65F50 65K05 90C05 PDFBibTeX XMLCite \textit{R. Fletcher}, Pitman Res. Notes Math. Ser. 380, 91--110 (1998; Zbl 0903.65022)
Fletcher, R.; Hall, J. A. J. Towards reliable linear programming. (English) Zbl 0701.65044 Numerical analysis, Proc. 13th Biennial Conf., Dundee/UK 1989, Pitman Res. Notes Math. Ser. 228, 89-104 (1990). Reviewer: N.Djuranović-Miličić MSC: 65K05 90C05 PDFBibTeX XML
Fletcher, R. Degeneracy in the presence of roundoff errors. (English) Zbl 0649.65032 Linear Algebra Appl. 106, 149-183 (1988). Reviewer: J.Abaffy MSC: 65K05 90C05 41A45 65D15 PDFBibTeX XMLCite \textit{R. Fletcher}, Linear Algebra Appl. 106, 149--183 (1988; Zbl 0649.65032) Full Text: DOI
Fletcher, R. Recent developments in linear and quadratic programming. (English) Zbl 0615.65063 The state of the art in numerical analysis, Proc. Joint IMA/SIAM Conf., Birmingham/Engl. 1986, Inst. Math. Appl. Conf. Ser., New Ser. 9, 213-243 (1987). MSC: 65K05 90C05 90C20 PDFBibTeX XML
Fletcher, R.; Matthews, S. P. J. Stable modification of explicit LU factors for simplex updates. (English) Zbl 0574.65057 Math. Program. 30, 267-284 (1984). MSC: 65K05 65F05 15A23 90C05 PDFBibTeX XMLCite \textit{R. Fletcher} and \textit{S. P. J. Matthews}, Math. Program. 30, 267--284 (1984; Zbl 0574.65057) Full Text: DOI
Fletcher, R. Practical methods of optimization. Vol. 2: Constrained optimization. (English) Zbl 0474.65043 A Wiley-Interscience Publication. Chichester etc.: John Wiley & Sons. IX, 224 p. £13.30 (1981). MSC: 65Kxx 90Cxx 65-02 PDFBibTeX XML