Question
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. Describe all least-squares solutions of the equation Ax = b....
Image transcription text
Describe all least-squares solutions of the equation Ax = b.
101
1 10
3
1 0 1
17
A=
b=
1 10
4
1 10
2
101
6
The least-squares solutions are all vectors of the form x =
+ Xq
with Xz free.
(Simplify your answers.)
Image transcription text
Find (a) the orthogonal projection of b onto Col A and (b) a least-squares solution of Ax = b. 14 ?
A: —18,b: —'i
14 4
Answer & Explanation
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