Part i) Write down a system of three equations in three variables, whose augmented matrix [Ab] would then be 3 × 4. Find the determinant of the matrix A whose entries are the coefficients of the system. Ensure the determinant is non-zero and find the inverse of the matrix and also calculate A-¹b (you may use matlab or an online calculator for this part). Describe how A-¹b relates to the system [A]b] in a few words.
Part i) Write down a system of three equations in three variables, whose augmented matrix [Ab] would then be 3 × 4. Find the determinant of the matrix A whose entries are the coefficients of the system. Ensure the determinant is non-zero and find the inverse of the matrix and also calculate A-¹b (you may use matlab or an online calculator for this part). Describe how A-¹b relates to the system [A]b] in a few words.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.1: Matrix Operations
Problem 20EQ: Referring to Exercise 19, suppose that the unit cost of distributing the products to stores is the...
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Matrix A needs to be relatively random looking. So, in
particular it should have:
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