datawhalechina / fun-rec

推荐系统入门教程,在线阅读地址:https://datawhalechina.github.io/fun-rec/
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1.3.1 AFM.md 的2.3里损失函数错了 #18

Closed wsora closed 3 years ago

wsora commented 3 years ago

$$ L = \sum{x\in T} (\hat{y}{afm}(x) - y(x))^2 + \lambda ||x||^2 $$,后面那个不是对x正则,是W。应该是 $$ L = \sum{x\in T} (\hat{y}{afm}(x) - y(x))^2 + \lambda ||W||^2 $$

ruyiluo commented 3 years ago

好的,我看一下。