Find a reflector Q that maps the vector x = [3, 4, 1, 3, 1] to a multiple of the first column of the 5 x 5 identity, e₁. Compute Q by writing it as uu Q=1-2 ~||u|| ²/2 for some appropriate u, and write it explicitly as a completely assembled matrix.

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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Find a reflector Q that maps the vector x = [3, 4, 1, 3, 1] to a multiple of the first
column of the 5 x 5 identity, e₁.
ComputeQ by writing it as
uu
Q 2 = I - 2₁
²||₁u|| ²2
for some appropriate u, and write it explicitly as a completely assembled matrix.
Transcribed Image Text:Find a reflector Q that maps the vector x = [3, 4, 1, 3, 1] to a multiple of the first column of the 5 x 5 identity, e₁. ComputeQ by writing it as uu Q 2 = I - 2₁ ²||₁u|| ²2 for some appropriate u, and write it explicitly as a completely assembled matrix.
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