==== Front PLoS One PLoS One plos plosone PLoS ONE 1932-6203 Public Library of Science San Francisco, CA USA 10.1371/journal.pone.0243330 PONE-D-20-36504 Correction Correction: Beyond convexity—Contraction and global convergence of gradient descent The PLOS ONE Staff 3 12 2020 2020 3 12 2020 15 12 e0243330© 2020 The PLOS ONE Staff 2020The PLOS ONE Staff This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Beyond convexity—Contraction and global convergence of gradient descent ==== Body Notice of republication This article was republished on September 24th, 2020, to correct errors in equations that were introduced during the typesetting process. The publisher apologizes for the errors. Please download this article again to view the correct version. The originally published, uncorrected article and the republished, corrected articles are provided here for reference. Supporting information S1 File Originally published, uncorrected article. (PDF) Click here for additional data file. S2 File Republished, corrected article. (PDF) Click here for additional data file. ==== Refs Reference 1 Wensing PM , Slotine J-J (2020 ) Beyond convexity—Contraction and global convergence of gradient descent . PLoS ONE 15 (8 ): e0236661 10.1371/journal.pone.0236661 32750097