Randomized Learning of the Second-Moment Matrix of a Smooth Function

Armin Eftekhari, Michael B. Wakin, Ping Li +1

Consider an open set $\mathbb{D}\subseteq {\mathbb{R}}^n$, equipped with a probability measure $\mu$. An important characteristic of a smooth function $f:\mathbb{D}\rightarrow\mathbb{R}…