∑ 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
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 (6,685 words) - 03:19, 10 September 2024
difference operators rather than derivatives. Consider the parametric curve in the xy-plane with coordinates given by the continuous functions g ( t ) {\displaystyle...
36 KB (7,121 words) - 18:25, 9 October 2024
ISSN 1573-269X. S2CID 225246631. Poincaré, Jules Henri (1890). "Sur le problème des trois corps et les équations de la dynamique. Divergence des séries...
122 KB (14,017 words) - 20:11, 5 October 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
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 (9,279 words) - 13:51, 4 October 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
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 (11,339 words) - 04:39, 27 September 2024