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 4P

Explanation of Solution

Inverse of the given matrix:

Consider the given matrix,

A=[1 2 11 2 02 4 1]

Suppose that the inverse of the given matrix is as follows:

A-1=[e f gh i jk l m]

Applying Gauss Jordan method,

Replacing row 2 by (row 2 – row 1), the following matrix is obtained,

[1 2 10 0 -12 4

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