sigmoid函数的导数计算:
由于没太看懂PPT内容, 最后还是参考https://www.cnblogs.com/charlotte77/p/5629865.html
简而言之, 信号前向传播, 权重的更新反向传播; 反向传播算法利用链式法则, 来获得总误差值对每个权重的偏导数, 是对梯度下降算法中求偏导数的具体实现
水下机器人视觉_4_反向传播
Thank you for your reward !
- Post link: https://didongdongdi.github.io/2019/09/21/水下机器人视觉-4-反向传播/
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