categorical_update.py 文件源码

python
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项目:categorical-dqn 作者: floringogianu 项目源码 文件源码
def __init__(self, policy, target_policy, cmdl):
        self.name = "Categorical-PI"
        self.cmdl = cmdl
        self.policy = policy
        self.target_policy = target_policy
        self.lr = cmdl.lr
        self.gamma = cmdl.gamma

        self.optimizer = optim_factory(self.policy.parameters(), cmdl)
        self.optimizer.zero_grad()
        self.lr_generator = lr_schedule(cmdl.lr, 0.00001, cmdl.training_steps)

        self.dtype = dtype = TorchTypes(cmdl.cuda)
        self.v_min, self.v_max = v_min, v_max = cmdl.v_min, cmdl.v_max
        self.atoms_no = atoms_no = cmdl.atoms_no
        self.support = torch.linspace(v_min, v_max, atoms_no)
        self.support = self.support.type(dtype.FT)
        self.delta_z = (cmdl.v_max - cmdl.v_min) / (cmdl.atoms_no - 1)
        self.m = torch.zeros(cmdl.batch_size, self.atoms_no).type(dtype.FT)
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