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. Author manuscript; available in PMC: 2022 Nov 4.
Published in final edited form as: J Optim Theory Appl. 2018 May 7;178(1):240–263. doi: 10.1007/s10957-018-1287-4

Fig. 3.

Fig. 3

Minimizing a strongly convex quadratic function - Case 2: the mode of the largest eigenvalue dominates for the secondary sequence {xk} of OGM. Using GDγ (33) with σ¯<1 accelerates convergence of the secondary sequence of OGM-GR, where both the primary and secondary sequences behave similarly after first few iterations, unlike σ¯=1.