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一类矩阵方程混合解问题的研究 Abstract Mixedsolutionproblemsarisefrequentlyinvariousfieldssuchasmechanics,physicsandengineering.Thispaperfocusesonthestudyofatypeofmatrixequationmixedsolutionproblems.Thepaperbeginswithanintroductiontotheproblem,followedbyareviewofsomerelatedresearchinthisfield.Thepaperthenpresentssomebasicconceptsandpropertiesofmatrixequationmixedsolutionproblems.Italsodiscussessomeusefulmethodsforsolvingtheseproblems,includingdecompositionmethods,iterativemethodsandnumericalmethods.Finally,someexamplesaregiventoillustratetheapplicationofthesemethods. Introduction Matrixequationmixedsolutionproblemsrefertotheproblemsthatrequiresolvingasystemofequationswheretheunknownvariablesarebothvectorsandmatrices.Inotherwords,matrixequationmixedsolutionproblemsinvolvesolvingequationsthatincludebothlinearequationsandmatrixequations.Theseproblemsoftenariseinphysics,engineeringandotherfields,andtheirsolutionhasimportantpracticalimplications. Therearemanydifferenttechniquesforsolvingmatrixequationmixedsolutionproblems,includinganalyticalmethods,numericalmethodsanditerativemethods.Thechoiceofmethoddependsonthecomplexityoftheproblemandthedesiredlevelofaccuracy.Ingeneral,analyticalmethodsarepreferredwhentheproblemcanbeeasilysolvedbyhand.Numericalanditerativemethods,ontheotherhand,areusedwhentheproblemiscomplex,orwhenthedesiredlevelofaccuracycannotbeachievedusinganalyticalmethods. Relatedresearch Matrixequationmixedsolutionproblemshavebeenextensivelystudiedintheliterature.Someofthemostimportantresearchinthisareaincludesthefollowing: 1.Decompositionmethods:Thesemethodsinvolvebreakingdownamatrixequationmixedsolutionproblemintosmaller,moremanageableparts.CommondecompositionmethodsincludeLUdecompositionandCholeskydecomposition. 2.Numericalmethods:Numericalmethodsinvolvetheuseofcomputerstoperformcalculations.Thesemethodsareoftenusedwhentheproblemistoocomplextobesolvedanalytically.ExamplesofnumericalmethodsincludetheJacobimethodandtheGauss-Seidelmethod. 3.Iterativemethods:Iterativemethodsinv