AgnosticCucumber
AgnosticCucumber

Reputation: 666

Q function vs action-value function

Is Q function synonymous to action-value function? I see it used interchangeably and also together ( ex. "Q action-value function" ).

Upvotes: 1

Views: 815

Answers (1)

Afshin Oroojlooy
Afshin Oroojlooy

Reputation: 1434

Yes, Q-function is the term that is used for approximating Q-value which is same as the action-value function. In other words, when a function approximation is used to get the Q-value for any arbitrary state-action, that function is called Q-function.

Upvotes: 2

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