Recent content by kevin2016

Hi Greg, currently, I still can not get the answer about this questions. In fact, if someone can get the ##\frac{\partial f}{\partial W_i}##, wher ##W_i## is the ##i##th row of W, it is also OK. Here is the original paper: "Collaborative matrix factorization with multiple similarities for...

C \in \mathbb{R}^{m \times n}, X \in \mathbb{R}^{m \times n}, W \in \mathbb{R}^{m \times k}, H \in \mathbb{R}^{n \times k}, S \in \mathbb{R}^{m \times m}, P \in \mathbb{R}^{n \times n} ##{S}## and ##{P}## are similarity matrices (symmetric). ##\lambda##, ##\alpha## and ##\beta## are...