D.A.R.Y.L. is a 1985 science fiction adventure film directed by Simon Wincer and written by David Ambrose, Allan Scott, and Jeffrey Ellis. It stars Mary...
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operators by L + = L x + i L y L − = L x − i L y {\displaystyle {\begin{aligned}L_{+}&=L_{x}+iL_{y}\\L_{-}&=L_{x}-iL_{y}\end{aligned}}} Then L+ and L− commute...
75 KB (12,427 words) - 13:22, 9 February 2025
Atomic orbital (redirect from D-orbital)
ℓ , m ( r , θ , ϕ ) = R n l ( r ) Y ℓ m ( θ , ϕ ) {\displaystyle \psi _{n,\ell ,m}(r,\theta ,\phi )=R_{nl}(r)Y_{\ell }^{m}(\theta ,\phi )} , with R n...
84 KB (10,942 words) - 02:20, 14 January 2025
Coefficient of determination (redirect from R-squared)
then define R 2 = 1 − ( y − X b ) ′ ( y − X b ) ( y − X β 0 ) ′ ( y − X β 0 ) . {\displaystyle R^{2}=1-{\frac {(y-Xb)'(y-Xb)}{(y-X\beta _{0})'(y-X\beta _{0})}}...
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List of manga licensed in English (section Y)
Q R S T U V W X Y Z See also Notes References Top !–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 See also Notes References Top !–9 A B C D E...
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Convergence of random variables (redirect from L.i.m.)
{\overset {}{L^{r}}}}\ Y} , then a X n + b Y n → L r a X + b Y {\displaystyle aX_{n}+bY_{n}\ {\xrightarrow {\overset {}{L^{r}}}}\ aX+bY} (for any real...
41 KB (5,282 words) - 21:46, 11 February 2025
L ′ = d L d ℓ ≈ μ d 2 π ln r o 1 r i {\displaystyle L'={\frac {{\text{d}}L}{{\text{d}}\ell }}\approx {\frac {\mu _{d}}{2\pi }}\ln {\frac {r_{o1}}{r_{i}}}}...
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containing D and have continuous partial derivatives there, then ∮ C ( L d x + M d y ) = ∬ D ( ∂ M ∂ x − ∂ L ∂ y ) d A {\displaystyle \oint _{C}(L\,dx+M\...
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List of garden plants in North America (section Y)
listed alphabetically by genus. 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 Abelia Abeliophyllum (white forsythia) Abelmoschus...
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Moment of inertia (section Motion in a fixed plane)
a mass density function, in a similar fashion to the scalar moment of inertia. One then has I = ∭ V ρ ( x , y , z ) ( ‖ r ‖ 2 E 3 − r ⊗ r ) d x d y d...
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( x ) = ∬ R 2 e 2 π i ( x − y ) ⋅ ξ f ( y ) d y d ξ . {\displaystyle f(x)=\iint _{\mathbb {R} ^{2}}e^{2\pi i(x-y)\cdot \xi }\,f(y)\,dy\,d\xi .} This...
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Haplogroup R1a (redirect from Haplogroup R-M17 (Y-DNA))
Haplogroup R1a (R-M420), is a human Y-chromosome DNA haplogroup which is distributed in a large region in Eurasia, extending from Scandinavia and Central...
164 KB (13,280 words) - 20:19, 17 February 2025
Fourier series (category Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference)
_{C}d\mathbf {r} f(\mathbf {r} )\cdot e^{-i\mathbf {G} \cdot \mathbf {r} }} writing d r {\displaystyle d\mathbf {r} } for the volume element d x d y d z...
74 KB (11,686 words) - 10:46, 13 February 2025
Norm (mathematics) (redirect from L² norm)
{\displaystyle \lVert \cdot \rVert } on an F-space with distance d , {\displaystyle d,} such that ‖ x ‖ = d ( x , 0 ) . {\displaystyle \lVert x\rVert =d(x,0).}...
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is flipped) η r ∈ R + {\displaystyle \eta _{r}\in \mathbb {R} ^{+}} that is small enough for convergence and d r ( θ ^ ) = ∇ ℓ ( θ ^ r ; y ) {\displaystyle...
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Gradient (redirect from Gradient of a scalar)
minimize a function by gradient descent. In coordinate-free terms, the gradient of a function f ( r ) {\displaystyle f(\mathbf {r} )} may be defined by: d f...
38 KB (5,701 words) - 08:28, 10 December 2024
3D rotation group (section A note on Lie algebras)
, y , z ) ∈ R 3 , {\displaystyle {\boldsymbol {\omega }}=(x,y,z)\in \mathbb {R} ^{3},} ω ^ = ω ⋅ L = x L x + y L y + z L z = [ 0 − z y z 0 − x − y x 0...
65 KB (11,405 words) - 23:22, 29 October 2024
List of talk show hosts (section Y)
Below is a list of talk show hosts, sorted alphabetically by their surnames. 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 List...
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Schmidt-Küntzel, A.; Zhang, X. L.; Zhuang, Y.; Fang, R.; Sun, X.; Hu, X. S.; Zhang, T. Y.; Yang, H. D.; Zhang, D. L.; Marker, L.; Jiang, Z.-F.; Li, R. & Luo, S...
149 KB (16,471 words) - 03:14, 12 February 2025
A ⋅ d ℓ ∬ S d S = A r ( θ ) d r + A θ ( r + d r ) ( r + d r ) d θ − A r ( θ + d θ ) d r − A θ ( r ) r d θ r d r d θ = 1 r ∂ ( r A θ ) ∂ r − 1 r ∂ A r...
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Polar coordinate system (redirect from Polar form of a complex number)
^{2}\varphi +r\sin ^{2}\varphi =r.} Hence, an area element in polar coordinates can be written as d A = d x d y = J d r d φ = r d r d φ . {\displaystyle dA=dx\...
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on United Nations estimates from 2022. Index A-B • C-D-E-F • G-H-I-J-K • L-M-N-O • P-Q-R-S • T-U-V-W-Y-Z Back to main page World largest cities Under...
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Black hole (redirect from The formation of a black hole)
D. P.; Becker, A. C.; Quinn, J. L.; Tomaney, A. B.; Alcock, C.; Allsman, R. A.; Alves, D. R.; Axelrod, T. S.; Calitz, J. J.; Cook, K. H.; Drake, A. J...
166 KB (18,865 words) - 19:58, 18 February 2025
1 r ∂ r ( r ∂ r u r ) + 1 r 2 ∂ φ 2 u r + ∂ z 2 u r − u r r 2 − 2 r 2 ∂ φ u φ ) + 1 3 μ ∂ r ( 1 r ∂ r ( r u r ) + 1 r ∂ φ u φ + ∂ z u z ) + ρ g r {\displaystyle...
100 KB (15,717 words) - 06:49, 12 February 2025
L 1 − L 2 + L 2 L 1 + L 2 ( − 2 + L 2 ) 2 L 1 2 + L 2 ( 6 − 9 L 2 + 2 L 2 2 ) 6 L 1 3 + L 2 ( − 12 + 36 L 2 − 22 L 2 2 + 3 L 2 3 ) 12 L 1 4 + ⋯ = L 1...
77 KB (12,291 words) - 03:09, 11 February 2025
Attention deficit hyperactivity disorder (redirect from A.D.H.D.)
original on 1 August 2018. Retrieved 8 May 2022. Kooij JJ, Bijlenga D, Salerno L, Jaeschke R, Bitter I, Balázs J, et al. (February 2019). "Updated European...
269 KB (28,614 words) - 10:25, 17 February 2025
Index of phonetics articles (section Y)
Contents 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 Acoustic phonetics Active articulator Affricate Airstream mechanism Alexander John Ellis...
13 KB (1,196 words) - 16:57, 18 January 2025
had largely stabilised: A a B b C c D d E e F f G g H h I i J j K k L l M m N n O o P p Q q R r S s T t U u V v W w X x Y y Z z There are 5 vowel letters...
32 KB (3,369 words) - 21:04, 10 February 2025
Arc length (redirect from Length of a curve)
integral L = ∫ a b x ′ ( t ) 2 + y ′ ( t ) 2 d t , {\displaystyle L=\int _{a}^{b}{\sqrt {x'(t)^{2}+y'(t)^{2}}}\,dt,} (because x ′ ( t ) 2 + y ′ ( t ) 2...
29 KB (5,328 words) - 03:43, 16 January 2025