**10.10.** Let \( W \) be the subspace of \( \mathbb{R}^4 \) given by: \[ W = \text{Span} \left\{ \begin{bmatrix} 1 \\ -3 \\ 2 \\ -1 \end{bmatrix}, \begin{bmatrix} -2 \\ 7 \\ 0 \\ 2 \end{bmatrix} \right\}. \] Find a basis for \(W^{\perp}\), the orthogonal complement of \( W \). ### 10.10 Basis for \(W^\perp\) is \[ \left\{ \begin{bmatrix} 14 \\ 4 \\ -1 \\ 0 \end{bmatrix}, \begin{bmatrix} 1 \\ 0 \\ 0 \\ 1 \end{bmatrix} \right\}. \] #### Explanation: The expression denotes that the basis for the orthogonal complement \(W^\perp\) consists of the set containing two vectors. - The first vector in the set is: \[ \begin{bmatrix} 14 \\ 4 \\ -1 \\ 0 \end{bmatrix} \] - The second vector in the set is: \[ \begin{bmatrix} 1 \\ 0 \\ 0 \\ 1 \end{bmatrix} \] These vectors form a basis for the subspace \(W^\perp\), meaning they are linearly independent and span \(W^\perp\).
**10.10.** Let \( W \) be the subspace of \( \mathbb{R}^4 \) given by: \[ W = \text{Span} \left\{ \begin{bmatrix} 1 \\ -3 \\ 2 \\ -1 \end{bmatrix}, \begin{bmatrix} -2 \\ 7 \\ 0 \\ 2 \end{bmatrix} \right\}. \] Find a basis for \(W^{\perp}\), the orthogonal complement of \( W \). ### 10.10 Basis for \(W^\perp\) is \[ \left\{ \begin{bmatrix} 14 \\ 4 \\ -1 \\ 0 \end{bmatrix}, \begin{bmatrix} 1 \\ 0 \\ 0 \\ 1 \end{bmatrix} \right\}. \] #### Explanation: The expression denotes that the basis for the orthogonal complement \(W^\perp\) consists of the set containing two vectors. - The first vector in the set is: \[ \begin{bmatrix} 14 \\ 4 \\ -1 \\ 0 \end{bmatrix} \] - The second vector in the set is: \[ \begin{bmatrix} 1 \\ 0 \\ 0 \\ 1 \end{bmatrix} \] These vectors form a basis for the subspace \(W^\perp\), meaning they are linearly independent and span \(W^\perp\).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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