School of Mathematics and Statistics, Xi’an Jiaotong University; Macao Institute of Systems Engineering, Macau University of Science and Technology; School of Mathematics and Statistics, Xidian University; School of Mathematics and Statistics, Xi’an Jiaotong University
Xixi Jia, Hailin Wang, Jiangjun Peng, Xiangchu Feng, Deyu Meng
Non-convex optimization;matrix factorization;low rank;scaled gradient descent
Preconditioning Matters: Fast Global Convergence of Non-convex Matrix Factorization via Scaled Gradient Descent