view() takes from 0 to 2 positional arguments but 4 were given
时间: 2023-09-22 22:07:48 浏览: 1278
出现这个错误的原因可能是因为在使用PyTorch的view函数时,传入了多余的参数。
PyTorch的view函数有两种形式,一种是只传入一个参数,即目标形状;另一种是传入多个参数,其中第一个参数表示目标形状的第一个维度,后面的参数表示目标形状的其他维度。
如果在调用view函数时传入了多余的参数,就会出现类似于“view() takes from 0 to 2 positional arguments but 4 were given”的错误。
解决方法是检查view函数的参数是否正确,只传入目标形状即可,不需要传入多余的参数。例如,如果要将一个形状为[3, 4, 5]的张量转换为形状为[2, 6, 5]的张量,可以使用以下代码:
```python
import torch
x = torch.randn(3, 4, 5) # 定义形状为[3, 4, 5]的张量
y = x.view(2, 6, 5) # 将x转换为形状为[2, 6, 5]的张量
print(y.shape) # 输出:torch.Size([2, 6, 5])
```
在这个例子中,view函数只传入了一个参数,即目标形状[2, 6, 5],不需要传入多余的参数。如果传入了多余的参数,就会出现上述错误。
相关问题
array() takes from 1 to 2 positional arguments but 4 were givenarray() takes from 1 to 2 positional arguments but 4 were given
This error message is indicating that the function `array()` was called with four arguments, but it can only accept one or two positional arguments. A positional argument is an argument that is not a keyword argument, meaning it is not passed with a named parameter.
For example, if you were to call `array(1, 2, 3, 4)` this would result in the error message because `array()` only accepts one or two positional arguments.
To fix this error, you should check the number of arguments you are passing to the `array()` function and make sure it is within the allowed range of one or two positional arguments. If you need to pass more arguments, you may need to use a different function or modify the existing function to accept more arguments.
TypeError: view() takes from 0 to 2 positional arguments but 4 were given
这个错误通常是在PyTorch中使用view()函数时出现的。view()函数的作用是将一个Tensor转换成一个新的Tensor,但是它需要正确的参数。在这种情况下,你给了4个参数,但是view()函数只接受0到2个参数。
这个错误的原因可能是你的代码中使用了错误的Tensor形状,导致你试图使用错误的参数调用了view()函数。你需要检查你的代码,确保你正在传递正确的参数给view()函数。如果你还不确定如何解决这个问题,可以提供更多的代码和错误信息,以便我能够更好地帮助你。
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