ABSTRACT
A rectangular array of mn elements arranged in m rows and n columns is
called an m/n (read m by n ) matrix. If the element in the ith row and jth column of matrix A is denoted by aij we write
A
a11 a12 a1n a21 a22 a2n
am1 am2 amn
2 664
3 775
|fflfflfflfflfflfflfflfflfflfflfflfflfflfflfflfflfflfflffl{zfflfflfflfflfflfflfflfflfflfflfflfflfflfflfflfflfflfflffl} n columns
m rows:
The elements of a matrix may either be numbers (real or complex) or func-
tions, and the numbers m/n describe the shape of the matrix (it has m rows and n columns).
