1 6 An alternative proof of the Schwarz inequality is obtained by noting that (f g) 2 dP f 2 dP 2 fg dP 2 g2 dP 0 for all , so that this quadratic in has at most one root ...

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1.6 An alternative proof of the Schwarz inequality is obtained by noting that (f + g)...

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1.6 An alternative proof of the Schwarz inequality is obtained by noting that

(f + λg)

2 dP =

f 2 dP + 2λ

fg dP + λ2

g2 dP ≥ 0 for all λ, so that this quadratic in λ has at most one root.

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Theory Of Point Estimation

ISBN: 9780387985022

2nd Edition

Authors: Erich L. Lehmann, George Casella

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Question Posted: Oct 31, 2024 06:01 AM

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1.6 An alternative proof of the Schwarz inequality is obtained by noting that (f + g) 2 dP = f 2 dP + 2 fg dP + 2 g2 dP 0 for all , so that this quadratic in has at most one root.
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1.6 An alternative proof of the Schwarz inequality is obtained by noting that (f + g)...

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Theory Of Point Estimation

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