14 The floor V and the wall W are not orthogonal subspaces, because they share a nonzero vector (along the line where they meet). No planes V and W in R³ can be orthogonal! Find a vector in the column spaces of both matrices: A = 1 2 13 2 and B = 5 4 63 5 1 This will be a vector Ax and also B. Think 3 by 4 with the matrix [A B].

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question
14
The floor V and the wall W are not orthogonal subspaces, because they share a
nonzero vector (along the line where they meet). No planes V and W in R³ can be
orthogonal! Find a vector in the column spaces of both matrices:
5 4
-61
=
63
5
This will be a vector Ax and also B. Think 3 by 4 with the matrix [AB].
A
1 2
1 3
1
2
and
B
Transcribed Image Text:14 The floor V and the wall W are not orthogonal subspaces, because they share a nonzero vector (along the line where they meet). No planes V and W in R³ can be orthogonal! Find a vector in the column spaces of both matrices: 5 4 -61 = 63 5 This will be a vector Ax and also B. Think 3 by 4 with the matrix [AB]. A 1 2 1 3 1 2 and B
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