Creates assets/commonf-tanh.png

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Author: shunliz

SUMMARY.md

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   * [拉格朗日乘子法（Lagrange Multiplier\) 和KKT条件](math/analytic/lagelangri-kkt.md)
   * [牛顿法](math/analytic/niudun.md)
   * [凸优化](math/analytic/tuyouhua.md)
+  * [常用函数](math/analytic/common-function.md)
 * [第二章 概率论](math/probability.md)
   * [统计学习方法概论](math/probability/prob-methodology.md)
   * [最大似然估计](math/probability/mle.md)

assets/commonf-rleu.png

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+Relu 激励函数的图在这里:
+
+![](/assets/commonf-rleu.png)
+
+tanh 激励函数的图
+
+![](/assets/commonf-tanh.png)
+
+
+