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코드 실해 해봤는데 # 정책신경망을 업데이트하는 훈련함수 생성 부분에서 에러가 나요 #59
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버전이 업데이트되면서 get_updates 함수 옵션 순서와 갯수가 바뀌었습니다. 다음과 같이 해야 합니다. |
감사합니다!
2021년 11월 30일 (화) 오후 2:32, swkim01 ***@***.***>님이 작성:
… 버전이 업데이트되면서 get_updates 함수 옵션 순서와 갯수가 바뀌었습니다. 다음과 같이 해야 합니다.
updates = optimizer.get_updates(loss, self.model.trainable_weights)
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안녕하세요, 저도 기존 질문과 같은 에러가 있어서 말씀하신대로 위 코드로 변환하였습니다. 그랬더니, TypeError: Cannot convert a symbolic Keras input/output to a numpy array. This error may indicate that you're trying to pass a symbolic value to a NumPy call, which is not supported. Or, you may be trying to pass Keras symbolic inputs/outputs to a TF API that does not register dispatching, preventing Keras from automatically converting the API call to a lambda layer in the Functional Model. 위와 같은 에러가 발생하는데.. numpy 최신버전으로 설치해도 동일한 에러가 발생합니다. 혹시 get_updates 뿐만 아니라 다른 코드들도 수정해줘야하나요? =============================================
위 코드 입력하니까 TypeError: Cannot convert a symbolic Keras input/output to a numpy array. This error may indicate that you're trying to pass a symbolic value to a NumPy call, which is not supported. Or, you may be trying to pass Keras symbolic inputs/outputs to a TF API that does not register dispatching, preventing Keras from automatically converting the API call to a lambda layer in the Functional Model. 에러는 사라졌는데, 이제는 get_update 코드 아래 줄
위 코드가 문제입니다.. |
다음과 같이 수정해 보시기 바랍니다. 또, 아래 정책신경망_ 업데이트 함수 train_model 에서 다음과 같이 수정해야 할 겁니다. |
에러 내용 : 예외가 발생했습니다. TypeError
get_updates() takes 3 positional arguments but 4 were given
File "D:\seungwan\Desktop\AI_Study\AI_Reference\reinforcement-learning-kr-master\1-grid-world\7-reinforce\reinforce_agent.py", line 52, in optimizer
updates = optimizer.get_updates(self.model.trainable_weights, [], loss)
File "D:\seungwan\Desktop\AI_Study\AI_Reference\reinforcement-learning-kr-master\1-grid-world\7-reinforce\reinforce_agent.py", line 25, in init
self.optimizer = self.optimizer()
File "D:\seungwan\Desktop\AI_Study\AI_Reference\reinforcement-learning-kr-master\1-grid-world\7-reinforce\reinforce_agent.py", line 92, in
agent = ReinforceAgent()
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