对角矩阵.ppt

文档介绍：Lecture2MatricesLatTime-CourseOverview-IntroductiontoSystemsofLinearEquations-Matrices,GaussianEliminationandGauss-JordanEliminationReadingAssignment:Chapter1ofTextHomework#1_Chap1Assigned(Due10/05).(5Edition) TKUEE翁慶昌-_09_20071Lecture2:MatricesTodayOperationwithMatircesPropertiesofMatrixOperationsInverseofaMatrixReadingAssignment:-#1_Chap1Assigned(Due10/05)NextTimeElementaryMatricesApplications::,&#1Dueand#2Assigned2Lecture2::(i,j)-thentry:row:mcolumn:nsize:m×n4i-throwvectorj-thcolumnvectorrowmatrixcolumnmatrixSquarematrix:m=n5Diagonalmatrix:Trace:6Ex:7Equalmatrix:Ex1:(Equalmatrix)8Matrixaddition:Ex2:(Matrixaddition)9Matrixsubtraction:Scalarmultiplication:Ex3:(Scalarmultiplicationandmatrixsubtraction)Find(a)3A,(b)–B,(c)3A–B10