Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 02:42Z
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
144K
\frac{1}{2} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
9θ² + 4θ + 0 = 0
det| 6 4 ; 1 7 | = 38
det| 6 6 ; 7 7 | = 0
det| 7 8 ; 6 8 | = 8
144K
det| 10 3 ; 6 11 | = 92
∂α/∂ψ = 5α