• ∑ x a x y {\textstyle \sum _{x}\sum _{y}a_{xy}=\sum _{y}\sum _{x}a_{xy}} , where a x y {\displaystyle a_{xy}} are non-negative for all x and y. The crux...
    41 KB (7,845 words) - 06:53, 6 September 2024
  • Krasner, Marc (1951a). "Produit complet des groupes de permutations et le problème d'extension de groupes II". Acta Sci. Math. Szeged. 14: 39–66. Kaloujnine...
    6 KB (953 words) - 18:05, 19 February 2021
  • Thumbnail for Inclusion–exclusion principle
    and was known as either "Montmort's problem" or by the name he gave it, "problème des rencontres." The problem is also known as the hatcheck problem. The...
    39 KB (6,679 words) - 21:37, 12 July 2024
  • Thumbnail for Chaos theory
    ISSN 1573-269X. S2CID 225246631. Poincaré, Jules Henri (1890). "Sur le problème des trois corps et les équations de la dynamique. Divergence des séries...
    123 KB (14,110 words) - 22:38, 18 August 2024
  • ( 1 − x ) y + f ( 0 , 0 ) ( 1 − x ) ( 1 − y ) {\displaystyle f(x,y)=f(1,1)xy+f(1,0)x(1-y)+f(0,1)(1-x)y+f(0,0)(1-x)(1-y)} The dyadic operations can be translated...
    22 KB (3,789 words) - 20:54, 20 June 2024
  • Picard, Émile (1881). "Sur une extension aux fonctions de deux variables du problème de Riemann relativ aux fonctions hypergéométriques". Annales Scientifiques...
    15 KB (4,301 words) - 05:36, 28 May 2024
  • u_{x}(\pi _{y}(n))\cdot u_{y}(n);\pi _{x}\circ \pi _{y})=(u_{xy}(1),\ldots ,u_{xy}(n);\pi _{xy}).} Theorem. With this law of composition on H n × S n {\displaystyle...
    125 KB (28,815 words) - 09:20, 9 December 2023
  • Thumbnail for Charlieplexing
    Archived from the original on 2023-12-27. Retrieved 2023-11-28. (NB. Offset xy array.) rgbphil (2021). "Charlieplexing LEDs - the Theory". Circuits > LEDs...
    81 KB (9,278 words) - 15:58, 17 August 2024
  • CS1 maint: archived copy as title (link) Sierpiński, W. (1951), "Sur un problème concernant un reseau à 36 points", Ann. Soc. Polon. Math., 24: 173–174...
    26 KB (5,080 words) - 18:27, 6 July 2024
  • ISBN 978-3-642-99942-0. Neumann FW, Elger Y, Nishino Y, Steinbeck H (1977). "Probleme der Dosisfindung: Sexualhormone" [Problems of Dose-Finding: Sex Hormones]...
    99 KB (11,329 words) - 08:52, 14 August 2024