Chapter 4 Section 1 Organizing Data into Matrices
Matrix – (plural: matrices) is a rectangular array of numbers written within brackets Represented by a CAPITAL letter Classified by dimensions rows X columns by
Matrix A 2 X 3 Rows Columns
What are the dimensions of each matrix? 3 X 3 1 X 3 4 X 1
Matrix Element – each number in a matrix Matrix Element – each number in a matrix Identified with a lower case letter with subscripts of row and column Identified with a lower case letter with subscripts of row and column Identify each matrix element. g 22 g 13 g 21 Element g 12 is in the first row and second column
Book Examplesp. 165 & p. 166