网络的权重和偏置如下（这些值是随机初始化的，实际情况中会使用随机初始化）： You signed in with Yet another tab or window. Reload to refresh your session. You signed out in One more tab or window. Reload to refresh your session. You switched accounts on A different tab or window. Reload to refresh your session. 在神经网络中，损失函数通常是一个复合函数，由多个层的输出和激活函数组合而成。... https://back-pr72503.bloggosite.com/40906169/what-does-backpr-site-mean