Find an LU factorization of the matrix A (with L unit lower triangular). A = 3 -6 12 - 21 - 1 3 9 5-2

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Hello there, can you help me solve a problem with two subparts? Thanks!

Subparts

L =

U =

Find an LU factorization of the matrix A (with L unit lower triangular).
A =
3
- 6
12 - 21
- 1
3
9
5-2
Transcribed Image Text:Find an LU factorization of the matrix A (with L unit lower triangular). A = 3 - 6 12 - 21 - 1 3 9 5-2
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