Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 02:03Z
∇²t = 0
∑_{k=1}^{n} k = n(n+1)/2
164K
det| 9 4 ; 1 10 | = 86
232K
7r² + 4r + 0 = 0
∇²β = 0
∑_{k=1}^{n} k = n(n+1)/2
372K
\frac{8}{9} \sum_{i=1}^{n} i^{2}
8r² + 8r + 0 = 0
det| 7 8 ; 6 8 | = 8
336K
det| 4 1 ; 3 5 | = 17
det| 4 5 ; 5 5 | = -5