Iteration complexity analysis of block coordinate descent methods

  title={Iteration complexity analysis of block coordinate descent methods},
  author={Mingyi Hong and Xiangfeng Wang and Meisam Razaviyayn and Zhi-Quan Luo},
  journal={Math. Program.},
Question: What is the iteration complexity of the BCD (with deterministic update rules) for convex problems? Answer: Scales sublinearly as O(1/r) [H.-Wang-Razaviyayn-Luo 14] 
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