(-9 -5 12 11' -3 1 5 B = -5 Given matrix A = -4 7 3 -7 -2 2 -9, For the following, use fractions (do not use decimals) Write A as L.U (L=lower triangular matrix, U = upper triangular matrix) Solve AX = B by making LUX = B. 1. 2.

Advanced Engineering Mathematics
10th Edition
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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(-9
-5
12
(11
-3
5
1
Given matrix A = |
6.
B =
7
-4
-5
3
-7 -2
2
-9.
For the following, use fractions (do not use decimals)
1. Write A as L.U (L=lower triangular matrix, U = upper triangular matrix)
2. Solve AX = B by making LUX = B.
%3D
Transcribed Image Text:(-9 -5 12 (11 -3 5 1 Given matrix A = | 6. B = 7 -4 -5 3 -7 -2 2 -9. For the following, use fractions (do not use decimals) 1. Write A as L.U (L=lower triangular matrix, U = upper triangular matrix) 2. Solve AX = B by making LUX = B. %3D
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