Statistical Condition Estimation for Linear Systems. - Charles S. Kenney; Alan J. Laub; M. S. Reese (SIAM J. Sci. Comput., 1998)

Statistical Condition Estimation for Linear Least Squares. - Charles S. Kenney; Alan J. Laub; M. S. Reese (SIAM J. Matrix Anal. Appl., 1998)