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Update rl.py #4

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Merged
sofmonk merged 1 commit into from
Mar 19, 2017
Merged

Update rl.py #4

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6 changes: 3 additions & 3 deletions rl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -154,13 +154,13 @@ def __call__(self, percept):
s1, r1 = self.update_state(percept)
Q, Nsa, s, a, r = self.Q, self.Nsa, self.s, self.a, self.r
alpha, gamma, terminals, actions_in_state = self.alpha, self.gamma, self.terminals, self.actions_in_state
if s1 in terminals:
Q[s1, None] = r1
if s in terminals:
Q[s, None] = r1
if s is not None:
Nsa[s, a] += 1
Q[s, a] += alpha(Nsa[s, a]) * (r + gamma * max(Q[s1, a1] for a1 in actions_in_state(s1))
- Q[s, a])
if s1 in terminals:
if s in terminals:
self.s = self.a = self.r = None
else:
self.s, self.r = s1, r1
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