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。
（作者单位：中国社会科学院考古研究所）
。关于这个话题，夫子提供了深入分析
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media posts, and other types of content. However, the quality of the generated，详情可参考爱思助手下载最新版本