import torch a = torch.tensor([1, 2, 3]) print(a) # tensor([1, 2, 3]) print(a.item()) # 会报错,因为 item() 只适配输出单个变量,无法适配list或者np.ndarray print(a.numpy()) # [1, 2, 3]

import torch a = torch.tensor([1, 2, 3]) print(a) # tensor([1, 2, 3]) print(a.item()) # 会报错,因为 item() 只适配输出单个变量,无法适配list或者np.ndarray print(a.numpy()) # [1, 2, 3]