1.) Determine the values of the variables to satisfy the equation using a) Gaussian Elimination and b) Gauss- Jordan Elimination. x+y- z = 4 x- 2y + 3z = -6 2x + 3y + z = 7 Ans.x = 1, y = 2, and z = -1

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.2: Direct Methods For Solving Linear Systems
Problem 60EQ
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1.)
Determine the values of the variables to satisfy the equation using a) Gaussian Elimination and b) Gauss-
Jordan Elimination.
Ans.x = 1, y = 2, and z = -1
x + y - z = 4
x- 2y + 3z = -6
2x + 3y + z = 7
2w + 3x – 4y + z = 9
w - 3x + y – z = 5
-2w – x – 3y + z = -11
w + x + y - 3z = -4
Ans.w = 5.7971,x = -0.5145, y = 1.1304, and z = 3.4710
Transcribed Image Text:1.) Determine the values of the variables to satisfy the equation using a) Gaussian Elimination and b) Gauss- Jordan Elimination. Ans.x = 1, y = 2, and z = -1 x + y - z = 4 x- 2y + 3z = -6 2x + 3y + z = 7 2w + 3x – 4y + z = 9 w - 3x + y – z = 5 -2w – x – 3y + z = -11 w + x + y - 3z = -4 Ans.w = 5.7971,x = -0.5145, y = 1.1304, and z = 3.4710
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