Lourenco, Christopher; Escobedo, Adolfo R.; Moreno-Centeno, Erick; Davis, Timothy A. Exact solution of sparse linear systems via left-looking roundoff-error-free Lu factorization in time proportional to arithmetic work. (English) Zbl 1431.65060 SIAM J. Matrix Anal. Appl. 40, No. 2, 609-638 (2019). MSC: 65F50 15A23 65F05 65G50 90C05 PDFBibTeX XMLCite \textit{C. Lourenco} et al., SIAM J. Matrix Anal. Appl. 40, No. 2, 609--638 (2019; Zbl 1431.65060) Full Text: DOI
Escobedo, Adolfo R.; Moreno-Centeno, Erick Roundoff-error-free basis updates of LU factorizations for the efficient validation of optimality certificates. (English) Zbl 1373.65018 SIAM J. Matrix Anal. Appl. 38, No. 3, 829-853 (2017). MSC: 65F05 65K05 90C05 90C11 65G50 PDFBibTeX XMLCite \textit{A. R. Escobedo} and \textit{E. Moreno-Centeno}, SIAM J. Matrix Anal. Appl. 38, No. 3, 829--853 (2017; Zbl 1373.65018) Full Text: DOI