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ConceptBellman Equation / 贝尔曼最优方程

Bellman Equation

A foundational equation in dynamic programming that describes the recursive structure of the optimal value function. It serves as the theoretical basis for reinforcement learning algorithm design and was formulated by Richard Bellman.

Timeline (last 90 days)

Oct 27

The Bellman equation is the recursive solution form of the MDP, decomposing the value function into the sum of the immediate reward and the discounted future value, and it is the theoretical basis for algorithms such as value iteration, policy iteration, and Q-learning.

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Oct 26

The Bellman equation exploits the Markov property to decompose the expectation of long-term return into "immediate reward + discounted value of the next state," thereby transforming a sequential decision problem into an equation that can be solved iteratively.

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Oct 7

The recursive entropic risk measure applies the risk operator in a nested fashion at each time step, satisfies time consistency, and can therefore be directly combined with the Bellman equation.

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Aug 27

贝尔曼方程将长期回报分解为即时奖励加上未来折扣回报的递归关系

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