Weighted Polar Decomposition
Received:October 08, 2007  Revised:October 06, 2008
Key Words: generalized polar decomposition   weighted polar decomposition   weighted unitary polar factor   weighted norm   perturbation bound.  
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Author NameAffiliation
YANG Hu College of Mathematics and Physics, Chongqing University, Chongqing 400044, China 
LI Han Yu College of Mathematics and Physics, Chongqing University, Chongqing 400044, China 
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Abstract:
      In this paper, a new matrix decomposition called the weighted polar decomposition is considered. Two uniqueness theorems of weighted polar decomposition are presented, and the best approximation property of weighted unitary polar factor and perturbation bounds for weighted polar decomposition are also studied.
Citation:
DOI:10.3770/j.issn:1000-341X.2009.05.003
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