转自知乎:https://www.zhihu.com/question/49812013/answer/148825073
转自博客:http://blog.youkuaiyun.com/lu597203933/article/details/46575803
自我总结:
链式法则传递误差时,对乘法项:0.9*0.9*...*0.9多了就成了0(梯度消失) , 1.1*1.1*...*1.1多了就远大于1(梯度激增)
1.3 梯度消失、梯度激增
转自知乎:https://www.zhihu.com/question/49812013/answer/148825073
转自博客:http://blog.youkuaiyun.com/lu597203933/article/details/46575803
自我总结:
链式法则传递误差时,对乘法项:0.9*0.9*...*0.9多了就成了0(梯度消失) , 1.1*1.1*...*1.1多了就远大于1(梯度激增)
1.3 梯度消失、梯度激增