std: tensor([[nan, nan, nan, nan, nan, nan, nan, nan]]) mean: tensor([[nan, nan, nan, nan, nan, nan, nan, nan]]) std: tensor([[nan, nan, nan, ..., nan, nan, nan], [nan, nan, nan, ..., nan, nan, nan], #2
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作者您好，我在运行该代码时 ，一开始是正常仿真，后面就一直输出nan值，不知道是什么原因呢