A new iterative refinement for ill-conditioned linear systems based on discrete gradient

Liu, K; Yang, J; Liu, CY

Yang, J (corresponding author), Nanjing Univ Finance & Econ, Coll Appl Math, Nanjing 210023, Peoples R China.

JAPAN JOURNAL OF INDUSTRIAL AND APPLIED MATHEMATICS, 2020; 37 (3): 803

Abstract

In this paper, a new iterative refinement for ill-conditioned linear systems is derived based on discrete gradient methods for gradient systems. It is......

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