2. Eigenvalue Problem with first derivative in linear operator. Find the eigenvalues and eigenfunctions for the boundary value problem, y" + 4y' + Ay = 0 on 0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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1. Boundary Value Problem with Nonhomogeneous ODE.
For each choice of g(x) listed below, find all solutions to the following boundary value problem.
4y" + x°y = g(x) for 0 < x < 2, y'(0) = 0, y'(2) = 0.
(а) д(x) %3D0
(b) д(x) %3D х
2. Eigenvalue Problem with first derivative in linear operator.
Find the eigenvalues and eigenfunctions for the boundary value problem,
y" + 4y' + ly = 0 on 0 < x < 7, y'(0) = 0, y'(r) = 0.
3. Fourier Trigonometric Series.
0,
-n <x < 0
0sx < 7/2 and its Fourier series
n/2 s x <n
Consider the function f(x) defined on (-7, 7), f(x) ={ 1,
0,
f(x) ~ -
)~+(•, cos(nx) + b, sin(nx).
(a) Derive expressions for ao, an and bn, for n = 1,2,....
(b) Write out the terms of the Fourier series through n =
= 5.
(c) Graph the periodic extension of f(x) on the interval (-37, 3x) that represents the pointwise convergence
of the Fourier series in part (b). At jump discontinuities, identify the value to which the series converges.
4. Eigenvalue Problem for Cauchy-Euler Equation.
Find the eigenvalues and eigenfunctions for the boundary value problem,
4x²y" + 4xy' + Ay = 0, on 1 < x < 4,
y(1) = 0, y'(4) = 0.
Transcribed Image Text:1. Boundary Value Problem with Nonhomogeneous ODE. For each choice of g(x) listed below, find all solutions to the following boundary value problem. 4y" + x°y = g(x) for 0 < x < 2, y'(0) = 0, y'(2) = 0. (а) д(x) %3D0 (b) д(x) %3D х 2. Eigenvalue Problem with first derivative in linear operator. Find the eigenvalues and eigenfunctions for the boundary value problem, y" + 4y' + ly = 0 on 0 < x < 7, y'(0) = 0, y'(r) = 0. 3. Fourier Trigonometric Series. 0, -n <x < 0 0sx < 7/2 and its Fourier series n/2 s x <n Consider the function f(x) defined on (-7, 7), f(x) ={ 1, 0, f(x) ~ - )~+(•, cos(nx) + b, sin(nx). (a) Derive expressions for ao, an and bn, for n = 1,2,.... (b) Write out the terms of the Fourier series through n = = 5. (c) Graph the periodic extension of f(x) on the interval (-37, 3x) that represents the pointwise convergence of the Fourier series in part (b). At jump discontinuities, identify the value to which the series converges. 4. Eigenvalue Problem for Cauchy-Euler Equation. Find the eigenvalues and eigenfunctions for the boundary value problem, 4x²y" + 4xy' + Ay = 0, on 1 < x < 4, y(1) = 0, y'(4) = 0.
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