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Answer-Polar Code-高斯近似之$\varphi \left( x \right)$反函数 | Marshall - Comm. Tech. Blog #12

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marshallcomm commented 3 years ago

https://marshallcomm.cn/2017/11/02/answer-polar-code-ga-inverse-phix/

前言 《Polar Code(8)高斯近似》中(\varphi \left( x \right))的反函数,计算式(8)比较困难,而式(9)、式(10)比较容易。本文以式(9)为例详述(\varphi \left( x \right))的反函数。 [\begin{align} { {\varphi }_{AGA-2}}\left( x \right)=\left{ \begin