pytorch中的numel函数

获取tensor中一共包含多少个元素

import torch
x = torch.randn(3,3)
print("number elements of x is ",x.numel())
y = torch.randn(3,10,5)
print("number elements of y is ",y.numel())
           

输出：

number elements of x is  9
number elements of y is  150
           

27和150分别位x和y中各有多少个元素或变量