Find ordhogonal bor each ob the bollowing. unitary dagoralizeng an OY matrix

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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### Question

Find an orthogonal or unitary diagonalizing matrix for each of the following:

(a) \[
\begin{bmatrix}
2 & 1 \\
1 & 2
\end{bmatrix}
\]

(b) \[
\begin{bmatrix}
1 & 3+i \\
3-i & 4
\end{bmatrix}
\]

(c) \[
\begin{bmatrix}
2 & i & 0 \\
-i & 2 & 0 \\
0 & 0 & 2
\end{bmatrix}
\]

(d) \[
\begin{bmatrix}
2 & 1 & 1 \\
1 & 3 & -2 \\
1 & -2 & 3
\end{bmatrix}
\]

(e) \[
\begin{bmatrix}
0 & 0 & 1 \\
0 & 1 & 0 \\
1 & 0 & 0
\end{bmatrix}
\]

(f) \[
\begin{bmatrix}
1 & 1 & 1 \\
1 & 1 & 1 \\
1 & 1 & 1
\end{bmatrix}
\]
Transcribed Image Text:### Question Find an orthogonal or unitary diagonalizing matrix for each of the following: (a) \[ \begin{bmatrix} 2 & 1 \\ 1 & 2 \end{bmatrix} \] (b) \[ \begin{bmatrix} 1 & 3+i \\ 3-i & 4 \end{bmatrix} \] (c) \[ \begin{bmatrix} 2 & i & 0 \\ -i & 2 & 0 \\ 0 & 0 & 2 \end{bmatrix} \] (d) \[ \begin{bmatrix} 2 & 1 & 1 \\ 1 & 3 & -2 \\ 1 & -2 & 3 \end{bmatrix} \] (e) \[ \begin{bmatrix} 0 & 0 & 1 \\ 0 & 1 & 0 \\ 1 & 0 & 0 \end{bmatrix} \] (f) \[ \begin{bmatrix} 1 & 1 & 1 \\ 1 & 1 & 1 \\ 1 & 1 & 1 \end{bmatrix} \]
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