Structured Sketching for Linear Systems
JJ Brust, MA Saunders - arXiv preprint arXiv:2407.00746, 2024 - arxiv.org
For linear systems $ Ax= b $ we develop iterative algorithms based on a sketch-and-project
approach. By using judicious choices for the sketch, such as the history of residuals, we …
approach. By using judicious choices for the sketch, such as the history of residuals, we …