4.1 Matrix and its order
A matrix is a rectangular array of numbers.
Example:
TEXT
A = [ 1 2 3
0 -1 4 ]
This matrix has 2 rows and 3 columns, so its order is 2 × 3.
Matrix definition, order, and basic examples.
A matrix is a rectangular array of numbers.
Example:
A = [ 1 2 3
0 -1 4 ]
This matrix has 2 rows and 3 columns, so its order is 2 × 3.