Drazin逆的擾動界和應(yīng)用.pdf

1、y77G423援旦大擎碩士學(xué)位論文Drazin逆的擾動界和應(yīng)用院系：數(shù)學(xué)科學(xué)學(xué)院專業(yè)：計算數(shù)學(xué)姓名：卜凡斌指導(dǎo)教師：魏益民副教授完成日期：2005年5月17日兼譬仁’毒!：回程勿生人公布’學(xué)校代碼學(xué)號10246022018026英文摘要AbstractAconstructiveperturbationboundoftheDrazininverseofasquarematrixisderivedusingatechniquepropose

2、dbyGStewartandbasedonperturbationtheoryforinvafiantsubspacesThisisallimprovementoftheresultpublishedbytheauthorsWeiandLi[NumerLinearAlgebraAppl，10(2003)，PP563—5751Itisatotallynewap—proachtodevelopperturbationboundsforthe

3、DrazininverseofamatrixAnumericalexamplewhichindicatesthesharpnessoftheperturbationboundispresentedFurthermore，wediscusssomeapplicationsoftheDrazininverseintheeigenvalueperturbationanalysisPerturbationboundsfortherelative

4、errorintheeigenvaluesofadiagonaliz—ableandsingularmatrixaredevelopednleyareextensionsoftherecentresultsaboutthoseboundsofanonsingularanddiagonalizablematrixKeyWords：Drazininverse；perturbationbound；separationfunction；diag