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的意思是什么normal distributiongiven by:
f ( x ) = 1 4 π e − ( x − 1 ) 2 4 ? \large f(x)=\frac{1}{\sqrt{4\pi}} e^{-\frac{(x-1)^2}{4}}? f(x)=4π 1e−4(x−1)2?
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