Let A E R. Consider the following problem u" (x) + u (x) = -Xu(x), 0 < x < 1, u"(0) — 0 , и(1) — 0. u # 0 (*) 1) Put v(x) = xu(x).Show that v satisfies v" (x) = -Av(x), 0 < x < 1, о(0) — о(1) — 0, v 7 0. 2) Solve (**) and deduce the sequence of solutions of problem (**)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Consider the following problem (PDE)

Let A E R.
Consider the following problem
2
u" (x) + u' (x) = -Xu(x), 0 < x < 1,
u'(0) = 0 , u(1) = 0.
u +0
(*)
%3D
1) Put v(x) = xu(x).Show that v satisfies
v"(x) = -Av(x) , 0 <x < 1,
v(0) = v(1) = 0,
v 7 0.
2) Solve (**) and deduce the sequence of solutions of problem (*).
(**)
Transcribed Image Text:Let A E R. Consider the following problem 2 u" (x) + u' (x) = -Xu(x), 0 < x < 1, u'(0) = 0 , u(1) = 0. u +0 (*) %3D 1) Put v(x) = xu(x).Show that v satisfies v"(x) = -Av(x) , 0 <x < 1, v(0) = v(1) = 0, v 7 0. 2) Solve (**) and deduce the sequence of solutions of problem (*). (**)
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