0) = cos x, uz(x,0) = e²+1 Use the d'Alembert solution to solve 6 UT 5 UTM Pu 1 Pu -00 < x < o0, t>0, 9 Əz² 5UTM UTM UT u(x, 0) = cos² x, u(x,0) = e*+1. 6 UTM TM UTM ở UTM
0) = cos x, uz(x,0) = e²+1 Use the d'Alembert solution to solve 6 UT 5 UTM Pu 1 Pu -00 < x < o0, t>0, 9 Əz² 5UTM UTM UT u(x, 0) = cos² x, u(x,0) = e*+1. 6 UTM TM UTM ở UTM
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

Transcribed Image Text:< 3.
QUESTION 3
M UTM
a) Use the d'Alembert solution to solve
& UTM
UTM
6 UTM
Pu
5 UTM
5 UTM & UTM 6 UTM
-0 < x < ∞, t>0,
& UTM
%3D
9 Əx²
= cos² x, u(x,0) = e"+1.
5 UTM
b) Solve the following heat equation by using the method of separation of
variables
& UTM & UTM UTM
5 UTM &UTM 61
M
du
= 2
with boundary conditions
& UTM
UTM 5 UTM
0 <x < 3, t> 0,
UTM
8 UTM U
5 UTM
6 UTM
u(0, t) = 0, u(3, t) = 0, t>0,
UTM &UTM UTM
& UTM
& UTM
IM & UTM & UTM
0< x < 3.
I UTM
u(x, 0) = 2+ x,
5 UTM & UTM
5 UTM
UTM UTM
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