November 2005
Intermediate to advanced
256 pages
5h 58m
English
Matrices
An m × n matrix (or m by n matrix) is a rectangular array of data consisting of m rows and n columns and can be represented as follows:

The m × n is called the dimension or order of the matrix. Each datum aijin the matrix (aij)m × n is called an entry of the matrix. Each entry has a row index i and column index j, together representing the position of the entry in the matrix.
Example B.1 A matrix of 4 × 3

1. Square matrix:
A square matrix is a matrix of order m = n (short for n × n).
Example ...
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