https://answer.freetools.me/tags/momentum/ Recent content in Momentum on Answer Hugo -- 0.152.2 zh-cn Thu, 12 Mar 2026 06:04:32 +0800 https://answer.freetools.me/%E6%A2%AF%E5%BA%A6%E4%B8%8B%E9%99%8D%E4%BC%98%E5%8C%96%E5%99%A8%E4%BB%8Esgd%E5%88%B0adamw%E4%B8%BA%E4%BB%80%E4%B9%88%E8%BF%99%E4%B8%AA%E9%80%89%E6%8B%A9%E8%83%BD%E5%86%B3%E5%AE%9A%E6%A8%A1%E5%9E%8B%E7%9A%84%E5%91%BD%E8%BF%90/ Thu, 12 Mar 2026 06:04:32 +0800 https://answer.freetools.me/%E6%A2%AF%E5%BA%A6%E4%B8%8B%E9%99%8D%E4%BC%98%E5%8C%96%E5%99%A8%E4%BB%8Esgd%E5%88%B0adamw%E4%B8%BA%E4%BB%80%E4%B9%88%E8%BF%99%E4%B8%AA%E9%80%89%E6%8B%A9%E8%83%BD%E5%86%B3%E5%AE%9A%E6%A8%A1%E5%9E%8B%E7%9A%84%E5%91%BD%E8%BF%90/ 深入解析深度学习中梯度下降优化器的演进历程：从最基础的SGD到现代的AdamW，从Momentum到Nesterov，从AdaGrad到RMSprop。剖析为什么Adam收敛快却泛化不如SGD，为什么权重衰减需要解耦，以及不同场景下如何选择正确的优化器。