线代知识点总结.docx

文档介绍：;coefficientmatrixSolvingaLinearSystemReplacement;interchange;;pivotposition;basicvariable;freevariable;back-substitutionparametricdescriptionsofsolutionsets(解集的参数表示)generalsolutionWheneverasystemisinconsistent,thesolutionsetisempty,,,ifandonlyifanechelonformoftheaugementedmatrixhasnorowoftheform[0……0b]withbnonzeroIfalinearsystemisconsistent,thenthesolutionsetcontainseitherAuniguesolution,whentherearenofreevariables,orInfinitelymanysolutions,