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Business Mathematics by Chirag Trivedi, Kashyap Trivedi

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22

Matrix Algebra

LEARNING OBJECTIVES

After studying this chapter, the student will be able to understand:

  • Understand the meaning of matrix

  • Know different types of matrices

  • Know basic algebra of matrices

  • Use matrix to solve simultaneous linear equations

INTRODUCTION

In order to represent large amount of data into a shorter form matrix is used. Matrix is an arrangement of elements into rows and columns enclosed within [], {} or (). Suppose mn elements are to be arranged into m rows and n columns then the general of matrix is as under.

 

images

 

Each matrix is uniquely identified by its order, which indicates the total number of rows and total ...

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