9. Solve the initial-boundary value problem: Utt 4uxx = 0, u(0, t) = 0, u(1, t) = 0, u(x,0) = 0, ut(x, 0) = x, Remark: Solution of the eigenvalue problem X" + XX = 0, X(0) = 0, is An = n²r², Xn(x) = sin(nπx) for n = 1,2,.... x € (0, 1), te R, tER, x = (0, 1). x = (0, 1), X(1) = 0.

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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Solve the initial-boundary value problem:
Utt4uxx = 0,
u(0, t) = 0, u(1, t) = 0,
u(x, 0) = 0, ut (x, 0) = = x,
Remark: Solution of the eigenvalue problem
9.
x € (0, 1), te R,
tER,
x € (0, 1).
X" + XX=0,
X(0) = 0, X(1) = 0.
is λn = n²π², Xn(x) = sin(nπx) for n = 1,2,....
x= (0,1),
Transcribed Image Text:Solve the initial-boundary value problem: Utt4uxx = 0, u(0, t) = 0, u(1, t) = 0, u(x, 0) = 0, ut (x, 0) = = x, Remark: Solution of the eigenvalue problem 9. x € (0, 1), te R, tER, x € (0, 1). X" + XX=0, X(0) = 0, X(1) = 0. is λn = n²π², Xn(x) = sin(nπx) for n = 1,2,.... x= (0,1),
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