What three elimination matrices E21, E31, E32 put A into triangular form E32 E31 E21A = U? Multiply by E2, E31¹, and E¹ to factor A into LU: A= = -2 1-17 -65-2 -2.9 5
What three elimination matrices E21, E31, E32 put A into triangular form E32 E31 E21A = U? Multiply by E2, E31¹, and E¹ to factor A into LU: A= = -2 1-17 -65-2 -2.9 5
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:What three elimination matrices E21, E31, E32 put A into triangular form
E32 E31 E21 A =U? Multiply by E2, E¹, and E¹ to factor A into LU:
A =
E21 =
E31
E32 =
L =
U=
-2 1 -1
-6 5 -2
-2 9
5
"
9-
✔
1
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