计算模型的参数
### compute model params
def count_param(model):
param_count = 0
for param in model.parameters():
param_count += param.view(-1).size()[0]
return param_count
打印模型的信息
from torchinfo import summary
print(summary(model,x.shape))
画sigmoid函数曲线图
import numpy as np
import math
import matplotlib.pyplot as plt
x=np.arange(-10,10,0.1)
y=1/(1+np.exp(-x))
plt.plot(x,y,label='sigmoid')
plt.xlabel('x')
plt.ylabel('y')
plt.ylim(0,1)
plt.legend()
plt.show()
i