https://answer.freetools.me/categories/%E4%BC%98%E5%8C%96%E7%90%86%E8%AE%BA/ Recent content in 优化理论 on Answer Hugo -- 0.152.2 zh-cn Fri, 13 Mar 2026 00:53:12 +0800 https://answer.freetools.me/%E7%A5%9E%E7%BB%8F%E7%BD%91%E7%BB%9C%E7%9A%84%E4%BC%98%E5%8C%96%E6%99%AF%E8%A7%82%E4%B8%BA%E4%BB%80%E4%B9%88%E9%9D%9E%E5%87%B8%E6%8D%9F%E5%A4%B1%E5%87%BD%E6%95%B0%E6%B2%A1%E6%9C%89%E6%83%B3%E8%B1%A1%E4%B8%AD%E5%8F%AF%E6%80%95/ Fri, 13 Mar 2026 00:53:12 +0800 https://answer.freetools.me/%E7%A5%9E%E7%BB%8F%E7%BD%91%E7%BB%9C%E7%9A%84%E4%BC%98%E5%8C%96%E6%99%AF%E8%A7%82%E4%B8%BA%E4%BB%80%E4%B9%88%E9%9D%9E%E5%87%B8%E6%8D%9F%E5%A4%B1%E5%87%BD%E6%95%B0%E6%B2%A1%E6%9C%89%E6%83%B3%E8%B1%A1%E4%B8%AD%E5%8F%AF%E6%80%95/ 从损失景观的几何性质出发，深入解析为什么梯度下降能够在高度非凸的高维空间中找到好解。涵盖鞍点、平坦最小值、模式连通性等核心概念，以及残差连接、批量归一化等技术如何重塑优化景观。