(a) Find the least-squares solution x of the systen 1 1 -21 2 -1 X = 8 -15 18 (b) Determine the orthogonal projection p Aâx. 2. 5

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
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Chapter5: Inner Product Spaces
Section5.CM: Cumulative Review
Problem 21CM
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(a) Find the least-squares solution k of the system
1 -21
2
-1
X =
-15
[8
(b) Determine the orthogonal projection p = Ax.
p =
Calculate the residual r(x) = b – Ax.
%3D
r(x) =
Transcribed Image Text:(a) Find the least-squares solution k of the system 1 -21 2 -1 X = -15 [8 (b) Determine the orthogonal projection p = Ax. p = Calculate the residual r(x) = b – Ax. %3D r(x) =
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