Questions tagged [policy-iteration]

For questions related to the "policy iteration" algorithm (often mentioned in the context of reinforcement learning).

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Is Value Iteration better than Policy Iteration for first few iterations?

In Policy Iteration (PI), the action generated by the policy, whether it's optimal or not w.r.t the current value function $v(s)$. Whereas, in Value Iteration, the action is greedily generated w.r.t ...
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Can policy iteration use only the immediate reward for updates?

Is it still a policy iteration algorithm if the policy is updated optimizing a function of the immediate reward instead of the value function?
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Choosing more than one action in a parameterized policy

I would like to implement a variant of policy iteration that can choose one or more actions in each state. An example would be to heal and move in the game of Doom. Parameterizing the power set of ...