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 A1 3 and B=6 3 2 This will be a vector Az and also B. Think 3 by 4 with the matrix [A B].

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Chapter2: Second-order Linear Odes
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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:
[1 2
3
A1
2
5
4
and
B=63
5
This will be a vector Az and also B. Think 3 by 4 with the matrix [A B].
Transcribed Image Text: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: [1 2 3 A1 2 5 4 and B=63 5 This will be a vector Az and also B. Think 3 by 4 with the matrix [A B].
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