Rademacher complexity of quadratic forms (source code)

= Rademacher complexity of quadratic forms
{c}

For $h_M(x)=x^TMx$, $M\succeq0$, $\operatorname{tr}M\leq s$, and $\lVert x\rVert\leq C$, the complexity is at most $C^2s/\sqrt n$.