6. (a) Compute L and U for the symmetric matrix A = a a a a a a a b b b b С с b c d (b) Find four conditions on a, b, c, d to get A = LU with four pivots.
6. (a) Compute L and U for the symmetric matrix A = a a a a a a a b b b b С с b c d (b) Find four conditions on a, b, c, d to get A = LU with four pivots.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:6. (a) Compute L and U for the symmetric matrix
a
a a a
a
b
b b
a
b
a b
(b) Find four conditions on a, b, c, d to get A = LU with four pivots.
A =
C
с
c d
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