12 4 6. Suppose H = (0 4 16 -3. Find all the eigenvalues. b. Choose one of the eigenvalues from part a and find its corresponding eigenvector(s).

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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Please answer question #6 with details on how to do it.

Make handwriting legible please when writing out x,y,z etc. Thank you. 

### Linear Algebra: Eigenvalues and Eigenvectors

#### Example Problem

**6. Suppose \( H = \begin{pmatrix}
1 & 12 & 4 \\
0 & 4 & 16 \\
0 & 0 & -3
\end{pmatrix}**

a. Find all the eigenvalues.

b. Choose one of the eigenvalues from part a and find its corresponding eigenvector(s).

---

#### Solution

To find the eigenvalues of the matrix \( H \), we solve the characteristic equation \( \det(H - \lambda I) = 0 \), where \( I \) is the identity matrix and \( \lambda \) represents the eigenvalues.

1. **Eigenvalue Calculation**:
   a. Compute the determinant of \( H - \lambda I \). This usually involves subtracting \( \lambda \) from the diagonal elements of matrix \( H \) and then finding the determinant.

2. **Eigenvector Calculation**:
   b. Once an eigenvalue \( \lambda \) is found, substitute it back into the equation \( (H - \lambda I)v = 0 \) to find the corresponding eigenvector(s) \( v \).

Each step can be expanded and detailed for educational purposes, allowing students to fully understand the processes involved in finding eigenvalues and eigenvectors for matrix \( H \).
Transcribed Image Text:### Linear Algebra: Eigenvalues and Eigenvectors #### Example Problem **6. Suppose \( H = \begin{pmatrix} 1 & 12 & 4 \\ 0 & 4 & 16 \\ 0 & 0 & -3 \end{pmatrix}** a. Find all the eigenvalues. b. Choose one of the eigenvalues from part a and find its corresponding eigenvector(s). --- #### Solution To find the eigenvalues of the matrix \( H \), we solve the characteristic equation \( \det(H - \lambda I) = 0 \), where \( I \) is the identity matrix and \( \lambda \) represents the eigenvalues. 1. **Eigenvalue Calculation**: a. Compute the determinant of \( H - \lambda I \). This usually involves subtracting \( \lambda \) from the diagonal elements of matrix \( H \) and then finding the determinant. 2. **Eigenvector Calculation**: b. Once an eigenvalue \( \lambda \) is found, substitute it back into the equation \( (H - \lambda I)v = 0 \) to find the corresponding eigenvector(s) \( v \). Each step can be expanded and detailed for educational purposes, allowing students to fully understand the processes involved in finding eigenvalues and eigenvectors for matrix \( H \).
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