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math.OC2014★ 1 cited
Variants of alternating minimization method with sublinear rates of convergence for convex optimization
Hui Zhang, Lizhi Cheng
The alternating minimization (AM) method is a fundamental method for minimizing convex functions whose variable consists of two blocks. How to efficiently solve each subproblems wh…
math.OC2014
Projected shrinkage algorithm for box-constrained L1-minimization
Hui Zhang, Lizhi Cheng
Box-constrained L1-minimization can perform remarkably better than classical L1-minimization when correction box constraints are available. And also many practical L1-minimization…