Eq. (2.1) — Rayleigh's principle: $(Qf, f) \ge \lambda_1 \|f\|^2$ for $f \perp \mathbf 1$

Initializing...

Eq. (2.1) — Rayleigh's principle: $(Qf, f) \ge \lambda_1 \|f\|^2$ for $f \perp \mathbf 1$ · Prove2Me