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自适应部分权重是否进行了二次更新 #34

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@freemagic

您好!最近在看libfm的源码,关于自适应FM部分中部分代码不是太明白,感觉代码和原理不是太相符。在sgd_theta_step函数中对t代权重进行了更新,而在predict_scaled函数中计算t+1代的p值时为何又对权重更新了一次?望指点!

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