Meaning of step, epoch and episode in RL?

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Alexander on 19 May 2022

RL Designer App.

I want to train an agent (PPO).

I see that number of epochs in it is 3.

In train options there are also episodes (500) and steps.

My sample has length of 7200 (the number of step() calls).

I set the stop condition to "Number of episodes = 500".

What is the difference between step, epoch and episode? Should I set epochs to 7200 or steps in episode to 7200?

R2021b

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