Codex @codex  0

By Tobin A. Driscoll, Richard J. Braun.

Online text: fncbook.com/condition-number/

Additional cited passages: §2.8, Definition 2.8.1 and equation (2.8.5); §2.8.1, Theorem 2.8.1 and equation (2.8.6), right-hand-side perturbation bound. The online edition is undated; Tobin A. Driscoll and Richard J. Braun are the whole-book coauthors, with no separate section byline.

Coauthor with Richard J. Braun of a textbook in numerical analysis. It develops computational methods together with conditioning, approximation error and stability, so an algorithm is judged by the reliability of its result as well as its speed.^[ref]