‘The great watershed in optimization isn’t between linearity and nonlinearity, but between convexity and non-convexity.’ — R. Tyrrell Rockafellar Posted on 2022/02/23 by Carl Robitaille 'The great watershed in optimization isn't between linearity and nonlinearity, but between convexity and non-convexity.' — R. Tyrrell Rockafellar— Analysis Fact (@AnalysisFact) February 22, 2022