File:ConvexFunction.svg · Wikimedia Commons · See Wikimedia Commons
convex function
Sign in to savereal function with secant line between points above the graph itself
~33 min read
Encyclopedic overview
Convex function on an interval
A function (in black) is convex if and only if the region above its graph (in green) is a convex set. A graph of the bivariate convex function x + xy + y Convex vs. not convex
Excerpted from Wikipedia’s “convex function” article, available under the CC BY-SA 4.0 licence.