import math
import torch
import numpy as np
import pandas as pd
A = np.array([[1,2,3],[6,5,3]])
print(A, '\n')
B = torch.from_numpy(A)
print(B)
C = B.numpy()
C[1] = 0
print(A, '\n')
print(B)
print(C)
import torch
import numpy as np
array = np.array([1,2,3,4])
tensor = torch.tensor(array)
Tensor = torch.Tensor(array)
as_tensor = torch.as_tensor(array)
from_array = torch.from_numpy(array)
print(array.dtype)
print(torch.get_default_dtype())
print(tensor.dtype)
print(Tensor.dtype)
print(as_tensor.dtype)
print(from_array.dtype)
array[0] = 10
print(tensor)
print(Tensor)
print(as_tensor)
print(from_array)
tensor 转化为numpy 只有找到 a.numpy
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