Q2: A) Find the varitional form for the problem #2 du ((x)) – x² = c, 0
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.6: Multiplying Polynomials
Problem 48WE
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
Transcribed Image Text:Q2: A) Find the varitional form for the problem
#2
du
((x)) – x² = c, 0<x<L,
d²u
dx²x=L = Mo
u(0)
d
(b² dx²
13
(9)
=
du
dx
√x=1 = 0
=
x=0
0,
B) Formulate the strong problem corresponding to weak form →
Sk
du
Jx
v dx + Sp
ди до
дх дх
dx + √ uv dx = fvdx vv € H₁₂(N)
Q3: Define the linear functional J: H₁₁(2) → R by
(v) = a(v, v) - L(v)
ப
by greas
Let u be the unique weak solution to a(u,v) = L(v) in H(2) and suppose that
a(...) is a symmetric bilinear form on H(2) prove that
1- u is minimizer. 2- u is unique. 3- The minimizer J(u) can be rewritten under
algebraic form
J(u) = u Au-ub,
Where A, b are repictively the stiffence matrix and the load vector
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