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+8x3 –7.8x4 = 24.1 7x1 –3.2x2 -8x3 -1.4x4 = -125 9.6x1 –8.8x2 +6x3 +0.3x4 = -23.2 2.7x1 –9.2x2 3.6x1 +0.7x2 –5.7x3 +8.6x4 = –-49.6 Coeficientes após escalonamento: x2 Eqı : -7.8 2.7 -9.2 8 24.1 Eq2 : Eq3 : Eq4 : Solução: -8,07835 -0,476100 x3 = 8,32058 X4 = 3,09169

+8x3 –7.8x4 = 24.1 7x1 –3.2x2 -8x3 -1.4x4 = -125 9.6x1 –8.8x2 +6x3 +0.3x4 = -23.2 2.7x1 –9.2x2 3.6x1 +0.7x2 –5.7x3 +8.6x4 = –-49.6 Coeficientes após escalonamento: x2 Eqı : -7.8 2.7 -9.2 8 24.1 Eq2 : Eq3 : Eq4 : Solução: -8,07835 -0,476100 x3 = 8,32058 X4 = 3,09169

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Apply the Gauss Elimination Method without pivoting to solve the linear system below. You must not change lines. Fill in the first table below with the coefficients and independent terms of the system obtained after all the scaling steps. Note that the table is already partially filled. The second table must be filled with the system solution. Perform calculations with 4 decimal places and rounding. Use comma as separator for fractional values ​​(Ex: 3.145 instead of 3.145).

+8x3 –7.8x4 = 24.1 721 -3.2а2 —843 — 1.424 3 —125 2.7x1 –9.2x2 9.6x1 -8.8x2 +6x3 +0.3x4 = -23.2 3.6x1 +0.7x2 –5.7x3 +8.6x4=-49.6 Coeficientes após escalonamento: b Eqı : 2.7 -9.2 8 -7.8 24.1 Eq2 : Eqz : Eq4 : Solução: -8,07835 X2 = -0,476100 x3 = 8,32058 X4 = 3,09169
Transcribed Image Text:+8x3 –7.8x4 = 24.1 721 -3.2а2 —843 — 1.424 3 —125 2.7x1 –9.2x2 9.6x1 -8.8x2 +6x3 +0.3x4 = -23.2 3.6x1 +0.7x2 –5.7x3 +8.6x4=-49.6 Coeficientes após escalonamento: b Eqı : 2.7 -9.2 8 -7.8 24.1 Eq2 : Eqz : Eq4 : Solução: -8,07835 X2 = -0,476100 x3 = 8,32058 X4 = 3,09169
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