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∞ <br />
<br />
<br />
L ∞ <br />
<br />
<br />
L ∞ <br />
∞ <br />
<br />
<br />
<br />
F x P (x) L <br />
P (x) =<br />
L <br />
akx k<br />
k=0<br />
D (x) x F W (x) <br />
F E (x) F <br />
<br />
E (x) = W (x) (D (x) − P (x))<br />
E (x) ∞ = argmax|E<br />
(x) |<br />
x∈F<br />
P (x) L E (x) ∞ <br />
E (x) L + 2 L + 2 x xk ∈ F <br />
k = [0, 1, . . . , L + 1] x0 < x1 < · · · < xL+2 E (xk) = − (E (xk+1)) = ± ( E ∞ )<br />
<br />
<br />
<br />
M <br />
A (ω) =<br />
L<br />
n=0<br />
<br />
<br />
h (L − n) cos ω n + 1<br />
<br />
2<br />
L = M<br />
2 − 1 cos (α + β) = cos (α − β) + 2cos (α) cos (β) <br />
A (ω) <br />
ω<br />
2<br />
A (ω) = cos<br />
<br />
ω<br />
L<br />
<br />
αkcos<br />
2<br />
k (ω) <br />
k=0