V2EX reinforcement learning

Reinforcement Learning

定义 Definition

强化学习:一种机器学习方法,让“智能体(agent)”通过与环境互动、根据奖励(reward)反馈来学习策略(policy),以最大化长期累计回报。常用于游戏对弈、机器人控制、推荐与资源调度等。也可指更广义的“通过奖惩来学习”的机制。

发音 Pronunciation (IPA)

/rinfrsmnt ln/

例句 Examples

Reinforcement learning helps a robot learn to walk by trial and error.
强化学习可以让机器人通过不断试错学会走路。

In many real-world tasks, reinforcement learning must balance exploration and exploitation to achieve stable long-term performance.
在许多真实任务中,强化学习必须在“探索”和“利用”之间取得平衡,才能获得稳定的长期表现。

词源 Etymology

reinforcement 来自 reinforce(加强、强化),核心含义是“通过加强作用让某种行为更可能再次发生”;在心理学中常指“强化”(用奖励/惩罚改变行为概率)。learning 表示“学习”。合起来,“reinforcement learning”强调:学习过程由奖励信号“强化”引导,而非直接给出标准答案。

相关词 Related Words

ul>
  • Agent
  • Environment
  • Reward
  • Policy
  • Q-Learning
  • Markov Decision Process
  • Exploration
  • Exploitation
  • Machine Learning
  • Supervised Learning
  • 文学与名著用例 Literary Works

    • Reinforcement Learning: An Introduction(Sutton & Barto):强化学习领域最经典的教材之一,系统介绍价值函数、策略梯度、时序差分等概念。
    • “Mastering the game of Go with deep neural networks and tree search”(Silver et al., Nature, 2016):AlphaGo 相关论文,强化学习在复杂博弈中的代表性应用。
    • “Learning from delayed rewards”(Watkins, 1989):与 Q-learning 早期思想密切相关的经典研究工作。
    • Artificial Intelligence: A Modern Approach(Russell & Norvig):人工智能权威教材,对强化学习及其与规划、决策的关系有重要介绍。
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