MD在圖片下面置中標題(用p把圖片包起來, 確保在github上也能work,然後標題不用center)
https://gist.github.com/ProjectCleverWeb/4052a53abd8c6f8c6aea
Figure 3: L-layer neural network.
The model can be summarized as: ***[LINEAR -> RELU] $\times$ (L-1) -> LINEAR -> SIGMOID***