IndexError: invalid index of a 0-dim tensor. Use tensor.item() to convert a 0-dim tensor to a Python

其他 2020-01-30 10:11:33 阅读次数: 0

报错原因分析:

loss.data[0] 是pytorch0.3.1版本代码,在0.4-0.5版本的pytorch会出现警告,不会报错,但是0.5版本以上的pytorch就会报错

解决方法:

train_loss+=loss.data[0]

修改：

train_loss+=loss.item()

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IndexError: invalid index of a 0-dim tensor. Use tensor.item() to convert a 0-dim tensor to a Python number

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