110 likes | 232 Views
Unit 1 Vocabulary. Matrix. A way to organize information into a rectangular array. Columns. The vertical lines of numbers in a matrix. Column Matrix. A matrix that contains only one column. Rows. Horizontal lines of numbers in a matrix. Row Matrix. A matrix that contains only one row.
E N D
Matrix A way to organize information into a rectangular array
Columns The vertical lines of numbers in a matrix
Column Matrix A matrix that contains only one column
Rows Horizontal lines of numbers in a matrix
Row Matrix A matrix that contains only one row
Dimensions of a Matrix Number of rows and columns in a matrix Written row x column—Rows always come first!
Elements (Entries) of a Matrix A number within a matrix identified by its row number and column number: Arc A32= -5 A14= 5 Remember! Find row first then column!
Square Matrix A matrix with the same number of rows and columns 4 x 4 3 x 3 2 x 3
Scalar A single number used to multiply the matrix
Scalar Multiplication Process of multiplying each entry in a matrix by the same scalar