Some remarks on the norm upper bounds associated with the generalized polar decompositions of matrices

Dingyi Du, Chunhong Fu and Qingxiang Xu

Applied Mathematics and Computation, 2024, vol. 466, issue C

Abstract: A correction, along with an improvement, is made on a recent joint work of the second author and the third author. An optimal perturbation bound is also clarified for certain 2×2 Hermitian matrices.

Keywords: Frobenius norm; Generalized polar decomposition; Norm upper bound; Optimal perturbation bound (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:466:y:2024:i:c:s0096300323006392

DOI: 10.1016/j.amc.2023.128470

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