Find the eigenvalues , and eigenfunctions y,(x) for the given boundary-value problem. (Give your answers in terms of k, making sure that each value of k corresponds to two unique eigenvalues.) y"+ Ay = 0, y(-n) = 0, y(T) = 0 k = 1, 2, 3,. .. Y 2k - 1(x) = k = 1, 2, 3,... k = 1, 2, 3,..

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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**Finding Eigenvalues and Eigenfunctions of a Boundary-Value Problem**

For the given boundary-value problem, we will determine the eigenvalues \( \lambda \) and eigenfunctions \( y(x) \) ensuring that each value of \( k \) corresponds to two unique eigenvalues.

The differential equation and boundary conditions are given by:
\[ y'' + \lambda y = 0 \]
\[ y(-\pi) = 0, \quad y(\pi) = 0 \]

We need to find the following expressions in terms of \( k \):

**1. Eigenvalues \( \lambda_{2k-1} \):**
\[ \lambda_{2k-1} = \]

**2. Eigenfunctions \( y_{2k-1}(x) \):**
\[ y_{2k-1}(x) = \]
\( k = 1, 2, 3, \ldots \)

**3. Eigenvalues \( \lambda_{2k} \):**
\[ \lambda_{2k} = \]
\( k = 1, 2, 3, \ldots \)

**4. Eigenfunctions \( y_{2k}(x) \):**
\[ y_{2k}(x) = \]
\( k = 1, 2, 3, \ldots \) 

This problem requires solving a second-order linear homogeneous differential equation with specified boundary conditions, leading to a set of eigenvalues and corresponding eigenfunctions which satisfy both the differential equation and boundary conditions.
Transcribed Image Text:**Finding Eigenvalues and Eigenfunctions of a Boundary-Value Problem** For the given boundary-value problem, we will determine the eigenvalues \( \lambda \) and eigenfunctions \( y(x) \) ensuring that each value of \( k \) corresponds to two unique eigenvalues. The differential equation and boundary conditions are given by: \[ y'' + \lambda y = 0 \] \[ y(-\pi) = 0, \quad y(\pi) = 0 \] We need to find the following expressions in terms of \( k \): **1. Eigenvalues \( \lambda_{2k-1} \):** \[ \lambda_{2k-1} = \] **2. Eigenfunctions \( y_{2k-1}(x) \):** \[ y_{2k-1}(x) = \] \( k = 1, 2, 3, \ldots \) **3. Eigenvalues \( \lambda_{2k} \):** \[ \lambda_{2k} = \] \( k = 1, 2, 3, \ldots \) **4. Eigenfunctions \( y_{2k}(x) \):** \[ y_{2k}(x) = \] \( k = 1, 2, 3, \ldots \) This problem requires solving a second-order linear homogeneous differential equation with specified boundary conditions, leading to a set of eigenvalues and corresponding eigenfunctions which satisfy both the differential equation and boundary conditions.
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