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强化学习三大支柱:时序差分、贝尔曼方程与马尔可夫性质剖析
时序差分(Temporal Difference, TD)方法与贝尔曼方程是强化学习中理论与算法的核心结合。贝尔曼方程提供了值函数的递归数学定义,而 TD 方法则是通过采样数据来逼近这一方程的解。两者的关系可以从以下四个层面理解: (1) 贝尔曼方程:理论基石 贝尔曼方程 ...
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