Use the method of separation of variables and the superposition principle to solve the PDE 2,0 +u, 0 < x < 6π, t > 0, ² əx² subject to the boundary conditions ux(0,t) = = 0, ux(6π, t) = 0, t > 0, ди = dt and the initial condition 2 u(x,0) = sin²x+cos(5x), 0 < x < 6π. (Hint: Using a trigonometric identity might help.)
Use the method of separation of variables and the superposition principle to solve the PDE 2,0 +u, 0 < x < 6π, t > 0, ² əx² subject to the boundary conditions ux(0,t) = = 0, ux(6π, t) = 0, t > 0, ди = dt and the initial condition 2 u(x,0) = sin²x+cos(5x), 0 < x < 6π. (Hint: Using a trigonometric identity might help.)
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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![Use the method of separation of variables and the superposition principle to solve the PDE
2,0
2²
ax² +
subject to the boundary conditions
ux(0,t) = 0, ux(6π, t) = 0, t > 0,
du
Ət
u, 0 < x < 6л, t > 0,
and the initial condition
2
u(x,0) = sin²x+cos(5x), 0 < x < 6π.
(Hint: Using a trigonometric identity might help.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1eebe67f-8c99-472c-8f64-54907a4bbf39%2F71cc5df0-d689-4160-b929-3bcf31e9b17d%2Ff34fn16_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Use the method of separation of variables and the superposition principle to solve the PDE
2,0
2²
ax² +
subject to the boundary conditions
ux(0,t) = 0, ux(6π, t) = 0, t > 0,
du
Ət
u, 0 < x < 6л, t > 0,
and the initial condition
2
u(x,0) = sin²x+cos(5x), 0 < x < 6π.
(Hint: Using a trigonometric identity might help.)
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