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Published 20 hours ago • verified publisher icon INTERMT
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一文彻底搞懂BP算法：原理推导+数据演示+项目实战

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请问，在反向传播过程中，为什么z对w的偏导得到的是一个向量，而z对b的偏导得到的是一个矩阵呢，

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![1628234563(1)](https://user-images.githubusercontent.com/23447152/128472970-e2081514-ad8e-46dc-9d1e-942085e081c3.png)

YaningLiu avatar YaningLiu

为什么权重系数更新是加号不是减号呢？

courantzhang avatar courantzhang

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一文彻底搞懂BP算法：原理推导+数据演示+项目实战

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