https://terms-en.ai-term-hub.com/zh/tags/online-learning/Recent content in Online Learning on 中文AI术语词典Hugozh-cnSat, 18 Jul 2026 11:44:45 +0000https://terms-en.ai-term-hub.com/zh/terms/multiplicative_weight_update_method/Sat, 18 Jul 2026 11:27:47 +0000https://terms-en.ai-term-hub.com/zh/terms/multiplicative_weight_update_method/<h2 id="definition">Definition</h2> <p>乘法权重更新法是一种基础的在线学习算法，用于在不确定环境中做出决策。它为不同的策略或专家维护一组权重，并根据其表现动态调整这些权重，从而优化长期决策效果。</p> <h3 id="summary">Summary</h3> <p>一种迭代算法，根据性能反馈以乘法方式更新权重，以最小化遗憾值。</p> <h2 id="key-concepts">Key Concepts</h2> <ul> <li>在线学习</li> <li>加权多数算法</li> <li>遗憾最小化</li> <li>指数加权</li> </ul> <h2 id="use-cases">Use Cases</h2> <ul> <li>投资组合优化</li> <li>专家建议聚合</li> <li>对抗性老虎机问题</li> </ul> <h2 id="related-terms">Related Terms</h2> <ul> <li><a href="https://terms-en.ai-term-hub.com/en/terms/gradient_descent-%E6%A2%AF%E5%BA%A6%E4%B8%8B%E9%99%8D/">gradient_descent (梯度下降)</a></li> <li><a href="https://terms-en.ai-term-hub.com/en/terms/online_learning-%E5%9C%A8%E7%BA%BF%E5%AD%A6%E4%B9%A0/">online_learning (在线学习)</a></li> <li><a href="https://terms-en.ai-term-hub.com/en/terms/regret_bound-%E9%81%97%E6%86%BE%E7%95%8C/">regret_bound (遗憾界)</a></li> <li><a href="https://terms-en.ai-term-hub.com/en/terms/boosting-%E6%8F%90%E5%8D%87%E7%AE%97%E6%B3%95/">boosting (提升算法)</a></li> </ul>