نتایج جستجو برای: positive matrix factorization

تعداد نتایج: 1014037  

Journal: :Computational Complexity 2021

We study the problem of constructing explicit families matrices which cannot be expressed as a product few sparse matrices. In addition to being natural mathematical question on its own, this appears in various incarnations computer science; most significant context lower bounds for algebraic circuits compute linear transformations, matrix rigidity and data structure bounds. first show, every c...

2010
Fang Li Qunxiong Zhu

In non-negative matrix factorization, it is difficult to find the optimal non-negative factor matrix in each iterative update. However, with the help of transformation matrix, it is able to derive the optimal non-negative factor matrix for the transformed cost function. Transformation matrix based nonnegative matrix factorization method is proposed and analyzed. It shows that this new method, w...

2017
Zhenkun Shi Wanli Zuo Weitong Chen Lin Yue Jiayu Han Lizhou Feng

Many real-world domains are relational in nature, consisting of a set of objects related to each other in complex ways. Matrix factorization is an effective method in relationship prediction, However, traditional matrix factorization link prediction methods can only be used for non-negative matrix. In this paper, a generalized framework, itelliPrediction, is presented that is able to deal with ...

Journal: :Central European Journal of Operations Research 2017

Journal: :IEEE Transactions on Neural Networks and Learning Systems 2016

Journal: :Pattern Recognition and Image Analysis 2020

Journal: :Journal of Algebraic Geometry 2013

Journal: :Linear Algebra and its Applications 2000

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