Ja дх dx dx Q3: Define the linear functional J: H()-R by تاریخ (v) = ½a(v, v) - (v) == Let u be the unique weak solution to a(u,v) = L(v) in H₁(2) and suppose that a(...) is a symmetric bilinear form on H() prove that a Buy v) = 1- u is minimizer. 2- u is unique. 3- The minimizer J(u,) can be rewritten under J(u)=u' Au-ub, algebraic form Where A, b are repictively the stiffence matrix and the load vector Q4: A) Answer only 1-show that thelation to -Auf in N, u = 0 on a satisfies the stability Vulf and show that V(u-u,)||² = ||vu||2 - ||vu||2 lu-ulls Chu||2 2- Prove that Where =1 ||ul|= a(u, u) = Vu. Vu dx + fu. uds B) Consider the bilinear form a(u, v) = (Au, Av) + (Vu, Vv) + (Vu, v) + (u, v) Show that a(u, v) continues and V- elliptic on H(2) (3) (0.0), (3.0)

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Ja
дх
dx dx
Q3: Define the linear functional J: H()-R by
تاریخ
(v) = ½a(v, v) - (v)
==
Let u be the unique weak solution to a(u,v) = L(v) in H₁(2) and suppose that
a(...) is a symmetric bilinear form on H() prove that
a Buy v) =
1- u is minimizer. 2- u is unique. 3- The minimizer J(u,) can be rewritten under
J(u)=u' Au-ub,
algebraic form
Where A, b are repictively the stiffence matrix and the load vector
Q4: A) Answer only
1-show that thelation to
-Auf in N,
u = 0 on a satisfies the
stability Vulf and show that V(u-u,)||² = ||vu||2 - ||vu||2
lu-ulls Chu||2
2- Prove that
Where
=1
||ul|= a(u, u) = Vu. Vu dx + fu. uds
B) Consider the bilinear form
a(u, v) = (Au, Av) + (Vu, Vv) + (Vu, v) + (u, v)
Show that a(u, v) continues and V- elliptic on H(2)
(3)
(0.0), (3.0)
Transcribed Image Text:Ja дх dx dx Q3: Define the linear functional J: H()-R by تاریخ (v) = ½a(v, v) - (v) == Let u be the unique weak solution to a(u,v) = L(v) in H₁(2) and suppose that a(...) is a symmetric bilinear form on H() prove that a Buy v) = 1- u is minimizer. 2- u is unique. 3- The minimizer J(u,) can be rewritten under J(u)=u' Au-ub, algebraic form Where A, b are repictively the stiffence matrix and the load vector Q4: A) Answer only 1-show that thelation to -Auf in N, u = 0 on a satisfies the stability Vulf and show that V(u-u,)||² = ||vu||2 - ||vu||2 lu-ulls Chu||2 2- Prove that Where =1 ||ul|= a(u, u) = Vu. Vu dx + fu. uds B) Consider the bilinear form a(u, v) = (Au, Av) + (Vu, Vv) + (Vu, v) + (u, v) Show that a(u, v) continues and V- elliptic on H(2) (3) (0.0), (3.0)
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