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 An additional tab or window. Reload to refresh your session. You signed out in A different tab or window. Reload to refresh your session. You switched accounts on An additional tab or window. Reload to refresh your session. A backport is most often used to https://backpr84827.daneblogger.com/33087772/not-known-factual-statements-about-back-pr