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3.2.4 能否使用torch.Tensor.backward()函数 #110

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pyh314 opened this issue Jul 16, 2024 · 1 comment
Open

3.2.4 能否使用torch.Tensor.backward()函数 #110

pyh314 opened this issue Jul 16, 2024 · 1 comment

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@pyh314
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pyh314 commented Jul 16, 2024

backward函数的参数里面有create_graph这个参数，可以用来创建一阶导数的正向计算图，但是我还是不知道如何使用这个函数来计算二阶导数。能否给一个例子吗？谢谢！
@Neverforgetme
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稍等，我有一个图片可以给你参考。这个网页画起来挺烦的，但是anu 机器视觉入门期中考试还考查过

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@pyh314 @Neverforgetme