Skip to main content
Lawrence Berkeley National Laboratory
Estimates of Optimal Backward Perturbations for Linear Least Squares Problems
- Author(s): Grcar, Joseph F.
- Saunders, M.A.
- Su, Zheng
- et al.
Numerical tests are used to validate a practical estimate for the optimal backward errors of linear least squares problems. This solves a thirty-year-old problem suggested by Stewart and Wilkinson.