Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 02:41Z
ΔS ≥ 0
det| 11 2 ; 5 12 | = 122
320K
det| 7 4 ; 4 8 | = 40
144K
\frac{1}{2} \sum_{i=1}^{n} i^{2}
det| 2 4 ; 4 3 | = -10
438K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
29K