Let fa(x) = a. where ||||2 denotes the L2 norm on (- ,) (b) ||fa|| = a
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a.
where ||ˆ™||2 denotes the L2 norm on (- ˆž,ˆž)
(b) ||fa||ˆž = ˆša , where ||ˆ™|| denotes the Lˆž norm on (- ˆž, ˆž).
(c) Use this example to explain why having a small least squares error does not necessarily mean that the functions are everywhere close.
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V l + a4 . Prove that
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a b The maximum value of fax occurs at x 0 where f a 0 a fa c The l...View the full answer
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