Strictly convex function (source code)

= Strictly convex function

= Strict convexity
{synonym}

= Strictly convex
{synonym}

A function $f$ on a <convex set> is strictly convex when
$$
f(tx+(1-t)y)<tf(x)+(1-t)f(y)
$$
whenever $x\ne y$ and $0<t<1$.