转自:http://www.tuicool.com/articles/RV3m6n

矩阵分解(Matrix Factorization)与推荐系统-LMLPHP

对于矩阵分解的梯度下降推导参考如下:

矩阵分解(Matrix Factorization)与推荐系统-LMLPHP

05-06 03:14