下面链接是有关optimizer中对last_epoch的解释。 What is the param `last_epoch` on Pytorch Optimizer's Schedulers is for?stackoverflow.com/questions/62724824/what-is-the-param-last-epoch-on-pytorch-optimizers-schedulers-is-for 方法(zero_grad()、step()) 当网络进行前向传播并计算出损失值,准备...