nξ ξ TMnz ( F) ξ ξ IF(1)
I
snw(1)
nn
(A.13)
.. „ /-f c
ξ T(z0 - w 0)Vn F(1) - Jfx)
Note that
F(1) -jxf(x ) dx = ʃF(x ) dx = 0,
hence
F(1) - ʃInxlf(x)dx∖ ≤ 1 fxfx)|dx
J n n J
[nx ] dx 1
n
(A.14)
(A.15)
and consequently equation (A.13) then becomes
nξ ξ TMnz ( F) - ξ ïF(1)
I
Snw(1)
nn
- ʃfx) S^ dx 1
nn ^
(A.16)
Moreover,
ξTS∆(x) - ξ⅛∙m - ξTw0. (A'17)
and consequently
n ξτmδ(F) = ξ7(F(1)(wn~w0) - ʃʃ(x)(w[nx] ~w0)dx]
(A.18)
ξ ξ ^F(1)Wn - f/(.x )W [ nx ] dx) = F(1) ξ Twn + θp (1)-
The last equality in (A.18) follows from the fact that by the dominated convergence theorem,
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