Use Gauss elimination to solve 3x1 – 0.1x2 – 0.2x3 = 7.85 0.1x1 + 7x2 – = -19.3 0.3.x3 %3D 0.3x1 – 0.2x2 + 10x3 = 71.4 %3D -

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 31E
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lai 13
Use Gauss elimination to solve
3x1
0.1x2
0.2x3
7.85
|
0.1x1 + 7x2 – 0.3x3 = - 19.3
0.3x1
0.2x2 + 10x3 = 71.4
4
8
6
4.5
2.5
3
2.5-
7
x1
x2
x3
Transcribed Image Text:lai 13 Use Gauss elimination to solve 3x1 0.1x2 0.2x3 7.85 | 0.1x1 + 7x2 – 0.3x3 = - 19.3 0.3x1 0.2x2 + 10x3 = 71.4 4 8 6 4.5 2.5 3 2.5- 7 x1 x2 x3
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