On the equivalence of the primal-dual hybrid gradient method and Douglas–Rachford splitting

被引:0
|
作者
Daniel O’Connor
Lieven Vandenberghe
机构
[1] University of San Francisco,Department of Mathematics and Statistics
[2] University of California,Department of Electrical and Computer Engineering
来源
Mathematical Programming | 2020年 / 179卷
关键词
Douglas–Rachford splitting; Primal-dual algorithms; Monotone operators; Proximal algorithms; 47N10; 49M27; 49M29; 65K05; 90C25;
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暂无
中图分类号
学科分类号
摘要
The primal-dual hybrid gradient (PDHG) algorithm proposed by Esser, Zhang, and Chan, and by Pock, Cremers, Bischof, and Chambolle is known to include as a special case the Douglas–Rachford splitting algorithm for minimizing the sum of two convex functions. We show that, conversely, the PDHG algorithm can be viewed as a special case of the Douglas–Rachford splitting algorithm.
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页码:85 / 108
页数:23
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