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import numpy as np
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import MDP
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import RL
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''' Construct simple MDP as described in Lecture 2a Slides 13-14'''
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T = np.array([[[0.5,0.5,0,0],[0,1,0,0],[0.5,0.5,0,0],[0,1,0,0]],[[1,0,0,0],[0.5,0,0,0.5],[0.5,0,0.5,0],[0,0,0.5,0.5]]])
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R = np.array([[0,0,10,10],[0,0,10,10]])
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discount = 0.9
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mdp = MDP.MDP(T,R,discount)
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rlProblem = RL.RL(mdp, np.random.normal)
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# Test Q-learning
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[Q,policy,_] = rlProblem.qLearning(s0=0,initialQ=np.zeros([mdp.nActions,mdp.nStates]),nEpisodes=1000,nSteps=100,epsilon=0.3)
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print ("\nQ-learning results")
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print (Q)
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print (policy)
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