9.12 Use Gauss-Jordan elimination to solve: 2x1 + x2 - x3 = 1 5x1 + 2x2 + 2x3 = -4 3x1 + x2 + x3 = 5 Do not employ pivoting. Check your answers by substituting them into the original equations.

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
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Numerical method
HW#2
Numerical method
(Ctrl) -
9.12 Use Gauss-Jordan elimination to solve:
2x1 + x2 – x3 = 1
5x1 + 2x2 + 2x3 = -4
%3D
3x1 + x2 + x3 = 5
Do not employ pivoting. Check your answers by substituting them
into the original equations.
1.
Transcribed Image Text:HW#2 Numerical method (Ctrl) - 9.12 Use Gauss-Jordan elimination to solve: 2x1 + x2 – x3 = 1 5x1 + 2x2 + 2x3 = -4 %3D 3x1 + x2 + x3 = 5 Do not employ pivoting. Check your answers by substituting them into the original equations. 1.
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