Matrices 1. Definition: Rectangular array of mn numbers. Unlike determinants, it has no value. Abbreviated as: A = [ aij ] 1 ≤ i ≤ m ; 1 ≤ j ≤ n, i denotes the row and j denotes the column is called a matrix of order m × n. 2. Special Type Of Matrices: Row Matrix: A = [ a11 , a12 , ...... a1n ] having one row . (1 × n) matrix. (or row vectors) Column … [Read more...]