Introduction to mathematical programming
Introduction to mathematical programming
4th Edition
ISBN: 9780534359645
Author: Jeffrey B. Goldberg
Publisher: Cengage Learning
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Chapter 2.5, Problem 5P

Explanation of Solution

Solving the given linear system:

Consider the given system of linear equations,

x1+3x2=42x1+5x2=7

For a system of the form Ax=b, it can be written as follows:

x=A-1b

For the given system of linear equations, the inverse obtained in Problem 1 can be used, which is given below,

A-1=[-5 3 2 -1]

Thus, it can be written as follows:

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