6. Consider the following matrices: A 2 6 21 = -3 -80 b = ' 4 9 223 [3. a) Perform a LU-decomposition on A. b) Use the LU-decomposition from A to solve Ax = b.

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
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Chapter3: Determinants
Section3.3: Properties Of Determinants
Problem 63E: Let A be an nn matrix in which the entries of each row sum to zero. Find |A|.
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6. Consider the following matrices:
A
2
6 21
=
-3
-80
b =
'
4
9
223
[3.
a) Perform a LU-decomposition on A.
b) Use the LU-decomposition from A to solve Ax = b.
Transcribed Image Text:6. Consider the following matrices: A 2 6 21 = -3 -80 b = ' 4 9 223 [3. a) Perform a LU-decomposition on A. b) Use the LU-decomposition from A to solve Ax = b.
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