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第三章 Tensor和autograd第90页代码bug #217

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Gamkiu opened this issue Jul 31, 2020 · 1 comment
Open

第三章 Tensor和autograd第90页代码bug #217

Gamkiu opened this issue Jul 31, 2020 · 1 comment

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@Gamkiu
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Gamkiu commented Jul 31, 2020

文章代码运行错误,（第三段代码）
x = V(t.arange(-2,4),requires_grad = True).
运行时出现“only Tensor of floating point type can require grad.”错误
@QAQEthan
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改成t.arange(-2,4).float()就可以了
老版本的pytorch用arange创建默认是FloatTensor类型的
新版本arange创建时dtype默认是LongTensor

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@Gamkiu @QAQEthan