CHAPTER 4:
MATRICES
MATRIX OPERATIONS
ADDITION
SUBTRACTION
SCALAR MULTIPLICATION
MULTIPLICATION
TRANSPOSITION OF MATRIX
INVERSE MATRIX ( 3 X 3 MATRIX)
Row operation Adjoin the identity matrix to the right side of A
4.3 GENERAL SYSTEM OF LINEAR EQUATIONS There are several methods in solving system of linear equation using matrices. a. Elementary row operations i. Gauss Elimination ii. Gauss – Jordan Elimination b. Cramer’s rule
Row – echelon form
Reduced row – echelon form