## Exp ### [Exp](http://caffe.berkeleyvision.org/tutorial/layers/exp.html) ``` layer { name: "exp" type: "Exp" bottom: "data" top: "exp" exp_param { base: -1 scale: 1 shift: 0 } } ``` ### [paddle.fluid.layers.exp](http://paddlepaddle.org/documentation/docs/zh/1.4/api_cn/layers_cn.html#permalink-196-exp) ```python paddle.fluid.layers.exp( x, name=None ) ``` ### 功能差异 #### 计算机制 Caffe:有三个关于计算的参数,其计算公式为: $$ y=\begin{cases} e^{(shift+scale \times x)},\quad x\leq 0 \\\\ base^{(shift+scale \times x)},\quad x>0 \end{cases} $$ PaddlePaddle:计算公式为:$$y=e^x$$