神经网络训练 policy gradient 算法时梯度消失问题

News 2021-11-28 13:16:16 views: null

再训练算法时发现梯度输出为none 试了好几次从源头找原因

最后得出的loss 一定要是 grad_fn=sumbackward 类似的类型

不然他没有梯度

再次记录

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Origin blog.csdn.net/weixin_43926417/article/details/121435907

神经网络训练 policy gradient 算法时梯度消失问题

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神经网络训练 policy gradient 算法时 梯度消失问题

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神经网络训练 policy gradient 算法时梯度消失问题