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第十章公式推理求助 #15

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Shawn-Tao opened this issue Jul 14, 2024 · 0 comments
Open

第十章公式推理求助 #15

Shawn-Tao opened this issue Jul 14, 2024 · 0 comments

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@Shawn-Tao
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Shawn-Tao commented Jul 14, 2024

image

如图,第十章 “广义优势估计部分”,当 $\lambda=0$ 时:
$l \neq 0$ , 项 $(\gamma \lambda)^l = (\gamma 0)^l = 0$
$l = 0$ , 项 $(\gamma \lambda)^l = (\gamma 0)^0 = 0^0$
对 0 求 0 次幂是无意义的,无法进入下一步公式10-7的推导,这里是不是利用了 $0^0=1$ 这样一个错误的信息呢?

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