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Linear Algebra and Its Applications
· Problem 3.3.22
Orthogonality — Gilbert Strang
Mathematics · least-squares-straight-line
Problem
Find the best line
C
+
D
t
C + Dt
C
+
D
t
to fit
b
=
4
,
2
,
−
1
,
0
,
0
b = 4, 2, -1, 0, 0
b
=
4
,
2
,
−
1
,
0
,
0
at times
t
=
−
2
,
−
1
,
0
,
1
,
2
t = -2, -1, 0, 1, 2
t
=
−
2
,
−
1
,
0
,
1
,
2
.
Related theory
The Least Squares Line And Residuals
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