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Fix typo in intermediate_source/reinforcement_q_learning.py #837

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Fix typo in intermediate_source/reinforcement_q_learning.py #837

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2 changes: 1 addition & 1 deletion intermediate_source/reinforcement_q_learning.py
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Original file line number Diff line number Diff line change
Expand Up @@ -388,7 +388,7 @@ def plot_durations():
# single step of the optimization. It first samples a batch, concatenates
# all the tensors into a single one, computes :math:`Q(s_t, a_t)` and
# :math:`V(s_{t+1}) = \max_a Q(s_{t+1}, a)`, and combines them into our
# loss. By defition we set :math:`V(s) = 0` if :math:`s` is a terminal
# loss. By definition we set :math:`V(s) = 0` if :math:`s` is a terminal
# state. We also use a target network to compute :math:`V(s_{t+1})` for
# added stability. The target network has its weights kept frozen most of
# the time, but is updated with the policy network's weights every so often.
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