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convex function
(redirected from Concave upward)

    Also found in: Wikipedia 0.01 sec.
convex function [′kän‚veks ′fəŋk·shən]
(mathematics)
A function ƒ(x) is considered to be convex over the intervala,bif for any three pointsx1,x2,x3such thata<x1<x2<x3<b, ƒ(x2)≤L(x2), whereL(x) is the equation of the straight line passing through the points [x1, ƒ(x1)] and [x3, ƒ(x3)].


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A shape of 1 produces a straight line, while a number greater than 1 produces a concave upward curve and a number less than 1 produces a convex upward curve.
Optimizing compounds in the rubber Industry by Ventresca, Jim / Rubber World
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