This unit introduces the theory and application of mathematical structures known as matrices.
With the advent of computers matrices have become widely used in the mathematical modelling of
practical real-world problems in computing, engineering and business where, for example, there is a
need to analyse large data sets. Applications of matrices occur:
• in all areas of science to solve (large) systems of equations.
• in computer graphics to project three dimensional images onto two dimensional screens and apply transformations to rotate and move these screen objects.
• in cryptography to encode messages, computer files, PIN numbers, etc.
• in business to formulate and solve linear programming problems to optimise resources subject to a set of constraints.
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