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Numerical Analysis written by Soyoung Ahn, 2010
7
For a degree n interpolation approximation
to
on
at
⋯
:
where
⋯
⇒
max
∈
∞
≤
∞
⇒
max
∈
∞
가 최소가 되는
⋯
을 찾아보자.
degree
monic polynomial
⋯
가
가장 작은 값
max
∈
∞
을 갖을 때는
the degree
modified Chebyshev polynomial
이므로
⋯
가
가 해일 때이다.
cos

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