Consider the following Gaussian elimination: Г18 —3 O 0] [1 0 0] -7 -7 → 18 -3 1 1 01 1 1 + 18 -3 0 -6 1 0 + 0 1 0 = I 1 1 1 0 1 0 0 1 A E,A Find E1 E2 E3 = %3D E4 Write A as a product A = E,'E,'E, E,' of elementary matrices: [18 -3 1 -7 1 ||

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.6: The Algebra Of Matrices
Problem 13E
icon
Related questions
Question
Consider the following Gaussian elimination:
Г18 -3
1
-7]
1
01
1
0 0]
Г1 о 01
1
-7 →
18
-3
18 -3 0
-6 1
+ 0 1
1
1
0 0 1
0 1
0 0 1
A
E1A
E3E,E,A
E,EE,E, A
Find
E1 =
E2
E3 =
E4 =
Write A as a product A = E,'E,'E, 'E,' of elementary matrices:
[18 -3
1
-7
1
||
Transcribed Image Text:Consider the following Gaussian elimination: Г18 -3 1 -7] 1 01 1 0 0] Г1 о 01 1 -7 → 18 -3 18 -3 0 -6 1 + 0 1 1 1 0 0 1 0 1 0 0 1 A E1A E3E,E,A E,EE,E, A Find E1 = E2 E3 = E4 = Write A as a product A = E,'E,'E, 'E,' of elementary matrices: [18 -3 1 -7 1 ||
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning