Relative and Absolute Perturbation Bounds for Weighted Polar Decomposition

Pingping Zhang, Hu Yang and Hanyu Li

Journal of Applied Mathematics, 2012, vol. 2012, 1-15

Abstract:

Some new perturbation bounds for both weighted unitary polar factors and generalized nonnegative polar factors of the weighted polar decompositions are presented without the restriction that A and its perturbed matrix A ˜ have the same rank. These bounds improve the corresponding recent results.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnljam:219025

DOI: 10.1155/2012/219025

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