torch.nn.Tanh
原型
CLASS torch.nn.Tanh()
定义
Tanh ( x ) = t a n h ( x ) = exp ( x ) − exp ( − x ) exp ( x ) + exp ( − x ) \text{Tanh}(x)=tanh(x)=\frac{\exp(x)-\exp(-x)}{\exp(x)+\exp(-x)} Tanh(x)=tanh(x)=exp(x)+exp(−x)exp(x)−exp(−x)
图
代码
import torch
import torch.nn as nn
m = nn.Tanh()
input = torch.randn(4)
output = m(input)
print("input: ", input)
print("output: ", output)
# input: tensor([ 0.1298, -0.4605, 0.2767, -0.9252])
# output: tensor([ 0.1291, -0.4305, 0.2699, -0.7283])