WebJan 10, 2015 · The intuition behind the argument saying that the optimal policy is independent of initial state is the following: The optimal policy is defined by a function that selects an action for every possible state and actions in different states are independent.. Formally speaking, for an unknown initial distribution, the value function to maximize … WebApr 24, 2024 · The action value function tells us the value of taking an action in some state when following a certain policy. After we derive the state value function, V(s) and the action value function, Q(s, a), we will explain how to find the optimal state value function and the …
Relationship between state (V) and action(Q) value function in ...
WebAn action-value function or more commonly known as Q-function is a simple extension of the above that also accounts for actions. It is used to map combinations of states and actions to values. A single combination is often referred to as a state-action pair, and its value as a (policy) action-value. WebNov 9, 2024 · The action-value function caches the results of a one-step look ahead for each action. In this sense, the problem of finding an optimal action-value function corresponds … how do you temper steel
What is the difference between a greedy policy and an optimal …
WebJul 2, 2024 · In an MDP, there's a unique optimal value function 𝑉 and state-action value function 𝑄. I am not sure I understand your question or confusion. It seems that you're … WebMay 11, 2024 · The action-value q π (s,a) is defined as the expected return on the condition that the agent performed action a, that the environment was in state s and that the agent subsequently follows the policy π. The action-value function corresponding to the optimal policy π ∗ is called the optimal action-value function q ∗ (s,a). (We have left ... WebJul 6, 2024 · Optimal action-value function With discrete actions, this is rather simple. But estimating an action-value function for continuous actions is not promising. Here is why… Imagine our... how do you tenderize a ribeye steak