输出层偏导数：首先计算损失函数相对于输出层神经元输出的偏导数。这通常直接依赖于所选的损失函数。 You signed in with A different tab or window. Reload to refresh your session. You signed out in A further tab or window. Reload to refresh your session. You switched accounts on One more 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... https://waylondwvkx.ivasdesign.com/55492452/backpr-fundamentals-explained