Comments (1)
Hi, good question. The time step alignment used in this repository is what is shown in the first line not the second line (and it's also what the newer Sutton & Barto book recommends):
r1=0, s1 -> a1 -> r2, s2 -> a2 -> ...
s1 -> a1 -> r1, s2 -> a2 -> ...
In other words, the reward at some index is the consequence of the action one index earlier, not of the action at the same index.
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