Theta (disambiguation) (redirect from Θ (disambiguation))
theta, Theta, Θ, or θ in Wiktionary, the free dictionary. Theta (Θ or θ) is the eighth letter of the Greek alphabet. Theta may also refer to: Θ (set theory)...
2 KB (279 words) - 14:35, 22 May 2024
In set theory, Θ {\displaystyle \varTheta } (pronounced like the letter theta) is the least nonzero ordinal α {\displaystyle \alpha } such that there...
3 KB (427 words) - 16:26, 31 May 2024
θ 2 = sgn ( sin θ 2 ) 1 − cos θ 2 cos θ 2 = sgn ( cos θ 2 ) 1 + cos θ 2 tan θ 2 = 1 − cos θ sin θ = sin θ 1 + cos θ = csc θ...
81 KB (12,166 words) - 04:35, 2 August 2024
Erlang distribution): F ( x ; k , θ ) = 1 − ∑ i = 0 k − 1 1 i ! ( x θ ) i e − x / θ = e − x / θ ∑ i = k ∞ 1 i ! ( x θ ) i . {\displaystyle F(x;k,\theta...
60 KB (8,717 words) - 19:52, 20 August 2024
H ( θ ^ ) = [ ∂ 2 ℓ ∂ θ 1 2 | θ = θ ^ ∂ 2 ℓ ∂ θ 1 ∂ θ 2 | θ = θ ^ … ∂ 2 ℓ ∂ θ 1 ∂ θ k | θ = θ ^ ∂ 2 ℓ ∂ θ 2 ∂ θ 1 | θ = θ ^ ∂ 2 ℓ ∂ θ 2 2 | θ = θ ^ …...
66 KB (9,626 words) - 01:12, 8 July 2024
over θ {\displaystyle {\boldsymbol {\theta }}} : p ( θ ∣ E , α ) = p ( E ∣ θ , α ) p ( E ∣ α ) ⋅ p ( θ ∣ α ) = p ( E ∣ θ , α ) ∫ p ( E ∣ θ , α ) p ( θ ∣...
67 KB (8,972 words) - 23:59, 6 August 2024
r θ ˙ 2 − r φ ˙ 2 sin 2 θ ) r ^ + ( r θ ¨ + 2 r ˙ θ ˙ − r φ ˙ 2 sin θ cos θ ) θ ^ + ( r φ ¨ sin θ + 2 r ˙ φ ˙ sin θ + 2 r θ ˙ φ ˙ cos θ )...
42 KB (6,266 words) - 18:39, 18 August 2024
Latin theta (redirect from ϴ̇)
Latin theta (uppercase: ϴ, lowercase: θ) is an additional letter of the Latin script, based on the lowercase letter theta from the Greek alphabet. It...
3 KB (251 words) - 21:02, 23 August 2024
( θ ) = [ 1 0 0 0 cos θ − sin θ 0 sin θ cos θ ] R y ( θ ) = [ cos θ 0 sin θ 0 1 0 − sin θ 0 cos θ ] R z ( θ ) = [ cos θ − sin θ 0...
99 KB (15,019 words) - 17:05, 31 July 2024
crd(θ) = 2 sin(θ/2) versin(θ) = 1 − cos(θ) = 2 sin2(θ/2) coversin(θ) = 1 − sin(θ) = versin(π/2 − θ) haversin(θ) = 1/2versin(θ) = sin2(θ/2) exsec(θ)...
77 KB (10,622 words) - 16:09, 25 August 2024
as: tan ( θ ) = sin ( θ ) cos ( θ ) = opposite adjacent , cot ( θ ) = 1 tan ( θ ) = adjacent opposite , csc ( θ ) = 1 sin ( θ ) = hypotenuse...
55 KB (6,959 words) - 16:34, 24 August 2024
r 2 ( cos θ 1 cos θ 2 + sin θ 1 sin θ 2 ) = r 1 2 + r 2 2 − 2 r 1 r 2 cos ( θ 1 − θ 2 ) = r 1 2 + r 2 2 − 2 r 1 r 2 cos Δ θ , {\displaystyle...
92 KB (12,566 words) - 22:15, 5 August 2024
is permitted). Consider the function f(θ) f ( θ ) = cos θ + i sin θ e i θ = e − i θ ( cos θ + i sin θ ) {\displaystyle f(\theta )={\frac {\cos...
26 KB (3,832 words) - 03:31, 6 August 2024
x} , and for all θ ∈ Θ , {\textstyle \,\theta \in \Theta \,,} ∂ log f ∂ θ r , ∂ 2 log f ∂ θ r ∂ θ s , ∂ 3 log f ∂ θ r ∂ θ s ∂ θ t {\displaystyle...
64 KB (8,534 words) - 19:57, 20 July 2024
2 θ + cos 2 θ = 1. {\displaystyle \sin ^{2}\theta +\cos ^{2}\theta =1.} As usual, sin 2 θ {\displaystyle \sin ^{2}\theta } means ( sin θ ) 2 {\textstyle...
14 KB (2,083 words) - 09:34, 23 December 2023
in question is small and is measured in radians: sin θ ≈ θ cos θ ≈ 1 − θ 2 2 ≈ 1 tan θ ≈ θ {\displaystyle {\begin{aligned}\sin \theta &\approx \theta...
13 KB (1,679 words) - 23:07, 30 April 2024
the Fraunhofer regime (i.e. far field) becomes: I ( θ ) = I 0 sinc 2 [ d π λ ( sin θ ± sin θ i ) ] {\displaystyle I(\theta )=I_{0}\,\operatorname...
49 KB (6,329 words) - 23:44, 21 July 2024
cos θ ) = cos ( 2 θ ) = 2 cos 2 θ − 1 {\displaystyle T_{2}(\cos \theta )=\cos(2\theta )=2\cos ^{2}\theta -1} and U 1 ( cos θ ) sin θ = sin ...
61 KB (11,472 words) - 18:05, 14 August 2024
+ r [ θ ˙ θ ^ ] O ¨ = [ r ¨ r ^ + r ˙ θ ˙ θ ^ ] + [ r ˙ θ ˙ θ ^ + r θ ¨ θ ^ − r θ ˙ 2 r ^ ] = [ r ¨ − r θ ˙ 2 ] r ^ + [ r θ ¨ + 2 r ˙ θ ˙ ] θ ^ {\displaystyle...
57 KB (8,170 words) - 14:39, 18 July 2024
θ ^ ) = E θ [ ( θ ^ − θ ) 2 ] = E θ [ ( θ ^ − E θ [ θ ^ ] + E θ [ θ ^ ] − θ ) 2 ] = E θ [ ( θ ^ − E θ [ θ ^ ] ) 2 + 2 ( θ ^ − E θ [ θ ^...
24 KB (3,827 words) - 09:26, 11 June 2024
θ : ρ ( ∂ t u θ + u r ∂ r u θ + u φ r sin θ ∂ φ u θ + u θ r ∂ θ u θ + u r u θ − u φ 2 cot θ r ) = − 1 r ∂ θ p + μ ( 1 r 2 ∂ r ( r 2 ∂ r u θ )...
97 KB (15,344 words) - 20:14, 24 August 2024
θ = − sin ( − θ ) = − sin ( π + θ ) = − sin ( π − θ ) = − cos ( π 2 + θ ) = − cos ( π 2 − θ ) = − cos ( − π 2 − θ ) = − cos ( − π 2 + θ...
76 KB (10,711 words) - 06:59, 5 August 2024
A θ ( ϕ ) r d θ + A ϕ ( θ + d θ ) r sin ( θ + d θ ) d ϕ − A θ ( ϕ + d ϕ ) r d θ − A ϕ ( θ ) r sin ( θ ) d ϕ r d θ r sin θ d ϕ = 1 r sin θ ∂ (...
34 KB (2,828 words) - 19:08, 26 July 2024
r ^ + r θ ˙ θ ^ , r ¨ = ( r ¨ r ^ + r ˙ r ^ ˙ ) + ( r ˙ θ ˙ θ ^ + r θ ¨ θ ^ + r θ ˙ θ ^ ˙ ) = ( r ¨ − r θ ˙ 2 ) r ^ + ( r θ ¨ + 2 r ˙ θ ˙ ) θ ^ . {\displaystyle...
59 KB (8,782 words) - 11:20, 23 August 2024
random sample from a probability distribution with statistical parameter θ {\displaystyle \theta } , which is a quantity to be estimated, and φ {\displaystyle...
36 KB (4,570 words) - 18:21, 27 June 2024
axis through the center of mass, the work W can be expressed as W = ∫ θ 1 θ 2 τ d θ , {\displaystyle W=\int _{\theta _{1}}^{\theta _{2}}\tau \ \mathrm...
31 KB (4,358 words) - 15:55, 22 August 2024
θ ) = P ( θ 0 ) + Δ θ j P j ( θ 0 ) + ⋯ {\displaystyle P(\theta )=P(\theta _{0})+\Delta \theta _{j}\,P_{j}(\theta _{0})+\cdots } with Δ θ j = ( θ − θ...
72 KB (12,414 words) - 21:33, 10 July 2024
Voiceless dental fricative (redirect from Θ (IPA))
symbol in the International Phonetic Alphabet that represents this sound is ⟨θ⟩, and the equivalent X-SAMPA symbol is T. The IPA symbol is the lowercase...
21 KB (1,505 words) - 00:57, 2 August 2024
t d θ d t = d d t 2 g ℓ ( cos θ − cos θ 0 ) , d 2 θ d t 2 = 1 2 − 2 g ℓ sin θ 2 g ℓ ( cos θ − cos θ 0 ) d θ d t = 1 2 − 2 g ℓ sin θ 2 g ℓ...
43 KB (7,667 words) - 22:18, 24 August 2024