tensor转化为numpy
时间: 2023-05-15 07:05:42 浏览: 118
可以使用numpy()方法将tensor转化为numpy数组,例如:
```python
import torch
# 创建一个tensor
tensor = torch.tensor([[1, 2], [3, 4]])
# 将tensor转化为numpy数组
numpy_array = tensor.numpy()
print(numpy_array)
```
输出结果为:
```
array([[1, 2],
[3, 4]])
```
相关问题
将tensor转化为numpy
在Python中,可以使用`numpy()`函数将PyTorch张量(tensor)转换为NumPy数组。示例如下:
```python
import torch
# 创建一个tensor
x = torch.rand(3, 4)
print(x)
# 将tensor转换为numpy数组
x_np = x.numpy()
print(x_np)
```
输出:
```
tensor([[0.7859, 0.7165, 0.9594, 0.5908],
[0.9069, 0.0752, 0.5431, 0.6825],
[0.7306, 0.1635, 0.2345, 0.1770]])
[[0.7859413 0.71647847 0.9594089 0.59084415]
[0.9069421 0.07516301 0.54306674 0.68253046]
[0.7305553 0.16349268 0.23447865 0.17696494]]
```
pytorch将tensor转化为numpy
可以使用`.numpy()`方法将PyTorch Tensor转换为numpy数组。
示例:
```
import torch
import numpy as np
tensor = torch.randn(3, 3)
numpy_array = tensor.numpy()
print(type(numpy_array)) # <class 'numpy.ndarray'>
```
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