• Thumbnail for China Airlines Flight 642
    China Airlines Flight 642 was a flight that crashed at Hong Kong (Chek Lap Kok) International Airport on 22 August 1999. It was operating from Bangkok...
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  • Thumbnail for 642
    Year 642 (DCXLII) was a common year starting on Tuesday of the Julian calendar. The denomination 642 for this year has been used since the early medieval...
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  • Thumbnail for Big O notation
    Big O notation (redirect from O(n!))
    = O ( e n ) . {\displaystyle {\begin{aligned}(n+1)^{2}&=n^{2}+O(n),\\(n+O(n^{1/2}))\cdot (n+O(\log n))^{2}&=n^{3}+O(n^{5/2}),\\n^{O(1)}&=O(e^{n}).\end{aligned}}}...
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  • Thumbnail for LSD
    doi:10.1007/978-3-642-66775-6_8. ISBN 978-3-642-66777-0. Archived from the original on March 30, 2025. Schifano F, Vento A, Scherbaum N, Guirguis A (2023)...
    223 KB (21,731 words) - 22:52, 20 May 2025
  • 1 n | x k + y k | p ) 1 / p ≤ ( ∑ k = 1 n | x k | p ) 1 / p + ( ∑ k = 1 n | y k | p ) 1 / p {\displaystyle {\biggl (}\sum _{k=1}^{n}|x_{k}+y_{k}|^{p}{\biggr...
    12 KB (2,366 words) - 21:14, 14 April 2025
  • the page for glossaries of specific fields of engineering. Contents:  M N O P Q R S T U V W X-Z See also References External links Macaulay's method (The...
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  • Thumbnail for Leonhard Euler
    e x = ∑ n = 0 ∞ x n n ! = lim n → ∞ ( 1 0 ! + x 1 ! + x 2 2 ! + ⋯ + x n n ! ) . {\displaystyle e^{x}=\sum _{n=0}^{\infty }{x^{n} \over n!}=\lim _{n\to...
    107 KB (10,831 words) - 13:51, 2 May 2025
  • Thumbnail for Fourier series
    N {\displaystyle N} that can be generally expressed as: p N ( x ) = ∑ n = − N N p [ n ]   e i 2 π n P x . {\displaystyle p_{N}(x)=\sum _{n=-N}^{N}p[n]\...
    72 KB (11,149 words) - 17:24, 13 May 2025
  • Thumbnail for Entropy (information theory)
    H n + 1 ( p 1 , … , p n , 0 ) = H n ( p 1 , … , p n ) {\displaystyle \mathrm {H} _{n+1}(p_{1},\ldots ,p_{n},0)=\mathrm {H} _{n}(p_{1},\ldots ,p_{n})}...
    72 KB (10,264 words) - 06:07, 14 May 2025
  • Thumbnail for Battle of Maserfield
    Battle of Maserfield (category 642)
    52°51′36″N 3°03′14″W / 52.860°N 3.054°W / 52.860; -3.054 The Battle of Maserfield, (Welsh: Cad Maes Cogwy) was fought on 5 August 641 or 642 (642 according...
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  • n ( 2 ) = P n , 0 R P n , 1 P n , 2 R P n , 3 ⋯ {\displaystyle G_{n}^{(1)}=P_{n,0}P_{n,1}^{R}P_{n,2}P_{n,3}^{R}\cdots {\text{ and }}G_{n}^{(2)}=P_{n,0}^{R}P_{n...
    181 KB (15,921 words) - 03:34, 5 May 2025
  • early Middle Ages. See also scholasticism. Contents:  Top A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Abbo of Fleury (or Abbon), (945–1004) Abélard...
    11 KB (1,347 words) - 19:18, 30 March 2025
  • Thumbnail for Jean-Pierre Serre
    Monographs in Mathematics. Berlin, Heidelberg: Springer. doi:10.1007/978-3-642-59141-9. ISBN 978-3-540-42192-4. Algèbre Locale, Multiplicités (1965) Collège...
    19 KB (1,912 words) - 20:07, 30 April 2025
  • Communication Technology. Vol. 404. pp. 109–126. doi:10.1007/978-3-642-38928-3_8. ISBN 978-3-642-38927-6. S2CID 39852208. Coplien and Harrison (July 2004). Organizational...
    11 KB (1,296 words) - 08:15, 15 May 2025
  • Thumbnail for Uncertainty principle
    which we may write as ψ ( x ) ∝ ∑ n A n e i p n x / ℏ   , {\displaystyle \psi (x)\propto \sum _{n}A_{n}e^{ip_{n}x/\hbar }~,} where An represents the...
    139 KB (19,263 words) - 21:15, 14 April 2025
  • Thumbnail for Normal distribution
    Normal distribution (redirect from E-x2)
    n ∑ i = 1 n x i μ 0 ′ = n 0 μ 0 + n x ¯ n 0 + n n 0 ′ = n 0 + n ν 0 ′ = ν 0 + n ν 0 ′ σ 0 2 ′ = ν 0 σ 0 2 + ∑ i = 1 n ( x i − x ¯ ) 2 + n 0 n n 0 + n...
    148 KB (22,607 words) - 17:11, 14 May 2025
  • Thumbnail for Taylor series
    e x = e x + x e x = ∑ n = 0 ∞ x n n ! + ∑ n = 0 ∞ x n + 1 n ! = 1 + ∑ n = 1 ∞ x n n ! + ∑ n = 0 ∞ x n + 1 n ! = 1 + ∑ n = 1 ∞ x n n ! + ∑ n = 1 ∞ x n...
    48 KB (8,229 words) - 19:56, 6 May 2025
  • Minnesota Timberwolves NBA franchise. Contents Top 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z References Note: Statistics are correct through...
    139 KB (3,420 words) - 02:48, 15 May 2025
  • Thumbnail for Central limit theorem
    each n = 1 , 2 , … {\displaystyle n=1,2,\dots } that E ( N n 2 ) < ∞ {\displaystyle E(N_{n}^{2})<\infty } and N nE ( N n ) Var ( N n ) → d N ( 0 ,...
    67 KB (9,171 words) - 16:52, 28 April 2025
  • Thumbnail for Muslim conquest of Persia
    political boundary between the Rashidun Caliphate and the Sasanian Empire. In 642, Umar ibn al-Khattab, eight years into his reign as Islam's second caliph...
    90 KB (10,627 words) - 02:24, 4 May 2025
  • Thumbnail for Extinction event
    Extinction event (redirect from E.l.e.)
    DE: Springer Berlin Heidelberg. pp. 35–51. doi:10.1007/978-3-642-79634-0_4. ISBN 978-3-642-79636-4. Retrieved 14 August 2022. Bambach RK (May 2006). "Phanerozoic...
    147 KB (15,048 words) - 10:47, 18 May 2025
  • Thumbnail for Woods–Saxon potential
    n = 0 ∞ ( a ) n ( b ) n ( c ) n z n n ! {\displaystyle {}_{2}F_{1}(a,b;c;z)=\sum _{n=0}^{\infty }{\frac {(a)_{n}(b)_{n}}{(c)_{n}}}{\frac {z^{n}}{n!}}}...
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  • Thumbnail for List of nicknames of British Army regiments
    regiments (following renaming or amalgamation). Contents 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y See also Notes References The 0.7 Hussars – 14th/20th...
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  • Thumbnail for TRAPPIST-1
    S2CID 119013251. Ducrot, E.; Gillon, M.; Delrez, L.; Agol, E.; Rimmer, P.; Turbet, M.; Günther, M. N.; Demory, B.-O.; Triaud, A. H. M. J.; Bolmont, E.; Burgasser,...
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  • Thumbnail for Pakistan
    Change: Principles and Asian Context. Springer Berlin Heidelberg. p. 347. ISBN 978-3-642-19674-4. Retrieved 26 May 2024. Cheng, Gong; Wang, Sibao; Zhou,...
    361 KB (34,441 words) - 23:48, 19 May 2025
  • {\begin{aligned}L(t)f(n)&=a(n,t)f(n+1)+a(n-1,t)f(n-1)+b(n,t)f(n),\\P(t)f(n)&=a(n,t)f(n+1)-a(n-1,t)f(n-1).\end{aligned}}} where f(n+1) and f(n-1) are the shift...
    6 KB (1,062 words) - 04:35, 5 October 2024
  • by Nick E. Mavromatos". Dark Matter in Astro- and Particle Physics. Springer. pp. 209–233. doi:10.1007/978-3-642-56643-1_21. ISBN 978-3-642-62608-1;...
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  • {Multinomial} (N;p_{1},...,p_{n})} . That is, the underlying data is sampled IID from a categorical distribution C a t e g o r i c a l ( p 1 , . . . , p n ) {\displaystyle...
    40 KB (5,767 words) - 05:36, 19 May 2025
  • Thumbnail for Prime number
    Prime number (redirect from Ω(n))
    primes p 1 , p 2 , … , p n , {\displaystyle p_{1},p_{2},\ldots ,p_{n},} this gives the number N = 1 + p 1 ⋅ p 2 ⋯ p n . {\displaystyle N=1+p_{1}\cdot p_{2}\cdots...
    117 KB (14,179 words) - 16:20, 4 May 2025
  • Heidelberg: Springer. pp. 359–374. doi:10.1007/978-3-642-28717-6_28. ISBN 978-3-642-28717-6. (Flatt et al. 2022, p. 2) Detlefs, David; Nelson, Greg; Saxe, James...
    15 KB (2,143 words) - 10:41, 8 May 2025