(a) Given the following two equations: 1.5x -0.5y = 3 x + 2y = -2 Solve for the unknowns graphically. Note: - Use Matlab to plot the graph. (b) Given the following system of equations. 20x + 4y2z = 54 -6x-10y + 4z = -123 2x + 2y + 12z = -43 (1) Solve for x, y, and z using naive Gauss elimination. Show all steps of the computation. (2) Substitute your results into the original equations to check your answers.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question 4
(a) Given the following two equations:
1.5x - 0.5y = 3
x + 2y = -2
Solve for the unknowns graphically.
Note: - Use Matlab to plot the graph.
(b) Given the following system of equations.
20x+4y=2z = 54
-6x - 10y + 4z = -123
2x + 2y + 12z
= -43
(1) Solve for x, y, and z using naive Gauss elimination. Show all steps of the computation.
(2) Substitute your results into the original equations to check your answers.
Transcribed Image Text:Question 4 (a) Given the following two equations: 1.5x - 0.5y = 3 x + 2y = -2 Solve for the unknowns graphically. Note: - Use Matlab to plot the graph. (b) Given the following system of equations. 20x+4y=2z = 54 -6x - 10y + 4z = -123 2x + 2y + 12z = -43 (1) Solve for x, y, and z using naive Gauss elimination. Show all steps of the computation. (2) Substitute your results into the original equations to check your answers.
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