4 Find the least-squares line given the matrix products AT A = 62 and 62 1252 1452.9 ATb 27316.5 y = Ex: 1.2 + Ex: 1.2

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Inner Product Spaces
Section5.CM: Cumulative Review
Problem 21CM
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Can I get some help with this "finding a least-squares fit" problem?

4
62
Find the least-squares line given the matrix products A" A =
62
and
1252
1452.9
ATb
27316.5
y = Ex: 1.2
+ Ex: 1.2
Transcribed Image Text:4 62 Find the least-squares line given the matrix products A" A = 62 and 1252 1452.9 ATb 27316.5 y = Ex: 1.2 + Ex: 1.2
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