为什么需要非线性？ 想象一下，如果网络里每一层都是线性的（比如 y=Wx+b），无论堆叠多少层，最终网络都只是一条线性映射。深度堆叠就没有意义了，网络的表达能力非常有限。
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。旺商聊官方下载对此有专业解读
This 27-inch matte QHD display is built for competitive speed and clarity. It features a Dual Mode hotkey that lets you switch between QHD at 540Hz and HD at 720Hz. Combine that with a near-instant 0.02ms response time, NVIDIA G-Sync Compatibility, and AMD FreeSync Premium Pro, and your games should stay fluid and tear-free. It’s also LG's brightest OLED gaming monitor to date (according to the manufacturer).
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本报北京2月26日电 （记者彭波）全国人大常委会委员长赵乐际26日下午主持十四届全国人大常委会第二十一次会议闭幕会。在会议完成有关表决事项后，赵乐际作了讲话。