摘要
Inthispaper,wegivethesensitivityanalysesbytwoapproachesforL,D,UinfactorizationA=LDUofgeneralperturbationsinAwhichsufficientlysmallinnorm.Bythematrix-vectorequationapproach,wederivethesharpcoaitionnumberforL,DandUfactors.Bythematrixequationapproachwederivecorrespondingconditionestimates.WhenAisasymmetricmatrix,thecorrespondingresultscanbeobtainedforLDLTfactorization.
出版日期
2001年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)