Relu非处处可导为什么可以作激活函数,激活函数的可导性要求
https://www.cnblogs.com/xueqiuqiu/articles/7606293.html
https://blog.csdn.net/ningyanggege/article/details/82493023
https://www.cnblogs.com/xueqiuqiu/articles/7606293.html
https://blog.csdn.net/ningyanggege/article/details/82493023