1 损失函数 | Mean-Squared Loss
https://zhuanlan.zhihu.com/p/35707643
2 交叉熵损失函数
https://www.zhihu.com/tardis/zm/art/35709485?source_id=1003
标签:函数,损失,pytorch,https,zhihu,com From: https://www.cnblogs.com/gooutlook/p/17713194.html