Question 2 Given 1) 11) 111) x1 + 2x2+3x3 =5 2x14x2 +6x3 = 18 3x1-9х2 - 3x3 =6 Represent the above linear system as AX=B Given [10 0 L= 2 122 0 and U= 12 3 0 1 23 00 3 132 133] Complete the LU decomposition for A. Find the solution for AX = B using the LU decomposition in (ii).

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 2
Given
1)
11)
111
Represent the above linear system as AX= B
Given
x1 + 2x2+3x3 = 5
2x14x2 +6x3 = 18
3x1-9x2-3x3 = 6
[10 0
L= 2 22 0
[3 132 133
and U =
[1 2 3
0 1 23
00 1
Complete the LU decomposition for A.
Find the solution for AX= B using the LU decomposition in (ii).
Transcribed Image Text:Question 2 Given 1) 11) 111 Represent the above linear system as AX= B Given x1 + 2x2+3x3 = 5 2x14x2 +6x3 = 18 3x1-9x2-3x3 = 6 [10 0 L= 2 22 0 [3 132 133 and U = [1 2 3 0 1 23 00 1 Complete the LU decomposition for A. Find the solution for AX= B using the LU decomposition in (ii).
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