ABSTRACT
The numbers a ij in the array are called the elements of the matrix.
A matrix of M rows and one column is called a column vector. ◾ A matrix of one row and n columns is called a row vector. ◾ Matrices obey certain rules of addition, subtraction, and multiplication. ◾ If matrices A and B have the same number of rows and columns, then ◾
C A B
a b a b a b
a b a = + =
+ + + +
( ) ( ) ( ). .
