链式法则不仅适用于简单的两层神经网络，还可以扩展到具有任意多层结构的深度神经网络。这使得我们能够训练和优化更加复杂的模型。 算法从输出层开始，根据损失函数计算输出层的误差，然后将误差信息反向传播到隐藏层，逐层计算每个神经元的误差梯度。 From the latter situation, making use of a backport could be impractical when compared with upgrading to the most up-to-date Model from the program. Incr... https://waylonjbkot.like-blogs.com/33784763/5-easy-facts-about-backpr-site-described