Strongly convex function
= Strongly convex function
= Strongly convex
{synonym}
A differentiable function is $\alpha$-strongly convex when
$$
f(y)\geq f(x)+\nabla f(x)\cdot(y-x)
+\frac\alpha2\|y-x\|^2.
$$
= Strongly convex function
= Strongly convex
{synonym}
A differentiable function is $\alpha$-strongly convex when
$$
f(y)\geq f(x)+\nabla f(x)\cdot(y-x)
+\frac\alpha2\|y-x\|^2.
$$