深度学习激活函数

1、ReLu

#RELU函数 #ReLU函数只保留正数元素，并且将负数元素清掉 import d2lzh.d2lzh as d2l from mxnet import autograd,nd def xyplot(x_vals,y_vals,name): d2l.set_figsize(figsize=(5