Consider the three vectors 3 --)--(C)--0) 3 W = 9 -3 u= -2 3 Let S denote the one dimensional subspace spanned by u, and let S denote its orthogonal complement. (a) Compute the matrix Proju which is the orthogonal projection onto S. Justify your answer using words. (b) Find the vector in S that is closest to v. Justify your answer using words. (c) Find the vector in S that is closest to w. Justify your answer using words.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 14E
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Consider the three vectors
-(1)-~-(-)
-2
u=
3
3
-(:).
9
0
3 W =
-3
Let S denote the one dimensional subspace spanned by u, and let S denote its
orthogonal complement.
(a) Compute the matrix Proju which is the orthogonal projection onto S.
Justify your answer using words.
(b) Find the vector in S that is closest to v. Justify your answer using words.
(c) Find the vector in S that is closest to w. Justify your answer using words.
Transcribed Image Text:Consider the three vectors -(1)-~-(-) -2 u= 3 3 -(:). 9 0 3 W = -3 Let S denote the one dimensional subspace spanned by u, and let S denote its orthogonal complement. (a) Compute the matrix Proju which is the orthogonal projection onto S. Justify your answer using words. (b) Find the vector in S that is closest to v. Justify your answer using words. (c) Find the vector in S that is closest to w. Justify your answer using words.
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