[19 -4 25 -4 A = -4 -8 -87 -4. Fir 19
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:19 -4 -87
Let A = -4 25
P=
-4. Find an orthogonal matrix P with rational entries and a diagonal
19
-8-4
matrix D such that D = PT AP.
D =
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