Kendall rank correlation coefficient (redirect from Kendall's τ)
Kendall's τ coefficient (after the Greek letter τ, tau), is a statistic used to measure the ordinal association between two measured quantities. A τ test is...
30 KB (5,081 words) - 06:38, 9 September 2024
of force (also abbreviated to moment). The symbol for torque is typically τ {\displaystyle {\boldsymbol {\tau }}} , the lowercase Greek letter tau. When...
31 KB (4,358 words) - 15:55, 22 August 2024
g ) ′ = d d t ∫ − ∞ ∞ f ( τ ) g ( t − τ ) d τ = ∫ − ∞ ∞ f ( τ ) ∂ ∂ t g ( t − τ ) d τ = ∫ − ∞ ∞ f ( τ ) g ′ ( t − τ ) d τ = f ∗ g ′ . {\displaystyle...
66 KB (8,752 words) - 15:03, 2 September 2024
Allan variance (section Fixed τ estimators)
τ ) {\displaystyle \sigma _{y}^{2}(\tau )} . The Allan deviation (ADEV), also known as sigma-tau, is the square root of the Allan variance, σ y ( τ )...
64 KB (9,318 words) - 19:58, 20 April 2024
Tau (disambiguation) (redirect from Τ (disambiguation))
Look up tau, Tau, Τ, or τ in Wiktionary, the free dictionary. Tau (Τ or τ) is the 19th letter of the Greek alphabet. Tau may also refer to: Tau (mathematical...
3 KB (464 words) - 08:34, 31 March 2024
the coordinates of the point P are x = a sinh τ cosh τ − cos σ , y = a sin σ cosh τ − cos σ . {\displaystyle x=a\ {\frac {\sinh \tau...
9 KB (1,427 words) - 05:45, 6 September 2024
The σ-algebra of τ-past, (also named stopped σ-algebra, stopped σ-field, or σ-field of τ-past) is a σ-algebra associated with a stopping time in the theory...
2 KB (333 words) - 16:10, 7 September 2024
Shear stress (often denoted by τ, Greek: tau) is the component of stress coplanar with a material cross section. It arises from the shear force, the component...
15 KB (1,951 words) - 14:52, 30 August 2024
( t − τ ) y T ( t ) d t ] e − i 2 π f τ d τ = ∫ − ∞ ∞ R x y ( τ ) e − i 2 π f τ d τ S y x ( f ) = ∫ − ∞ ∞ [ lim T → ∞ 1 T ∫ − ∞ ∞ y T ∗ ( t − τ ) x T...
36 KB (5,665 words) - 18:03, 26 June 2024
term ( 1 + τ α {\displaystyle 1+\tau {}\alpha } ) to the term itself. Via substitution and arithmetic, the type expands to 1 + τ + τ 2 + τ 3 + ⋯ {\displaystyle...
11 KB (1,073 words) - 19:56, 16 July 2024
) = e − i ω 0 τ − | τ | / τ 0 {\displaystyle g^{(1)}=e^{-i\omega _{0}\tau -|\tau |/\tau _{0}}} and g ( 2 ) ( τ ) = 1 + e − 2 | τ | / τ 0 {\displaystyle...
30 KB (5,460 words) - 15:40, 25 August 2024
and the auto-covariance function: K X X ( τ ) = E [ ( X t + τ − μ ) ( X t − μ ) ¯ ] = E [ X t + τ X ¯ t ] − μ μ ¯ {\displaystyle \operatorname...
39 KB (5,807 words) - 12:59, 12 September 2024
setting it to 0, and letting q τ {\displaystyle q_{\tau }} be the solution of 0 = ( 1 − τ ) ∫ − ∞ q τ d F Y ( y ) − τ ∫ q τ ∞ d F Y ( y ) . {\displaystyle...
29 KB (4,108 words) - 09:29, 3 September 2024
and c2 q t ( τ ) = { e − ζ τ ( c 1 e τ ζ 2 − 1 + c 2 e − τ ζ 2 − 1 ) ζ > 1 (overdamping) e − ζ τ ( c 1 + c 2 τ ) = e − τ ( c 1 + c 2 τ ) ζ = 1 (critical...
33 KB (4,575 words) - 10:47, 12 September 2024
itself belong to τ . {\displaystyle \tau .} Any arbitrary (finite or infinite) union of members of τ {\displaystyle \tau } belongs to τ . {\displaystyle...
28 KB (4,038 words) - 19:21, 9 September 2024
(Correctness) Γ ⊢ W e : τ , S ⟹ Γ ⊢ S e : τ (Completeness) Γ ⊢ S e : τ ⟹ Γ ⊢ W e : τ ′ , S forall τ where ∅ ¯ ( τ ′ ) ⊑ τ {\displaystyle...
61 KB (8,534 words) - 11:07, 13 August 2024
physics and engineering, the time constant, usually denoted by the Greek letter τ (tau), is the parameter characterizing the response to a step input of a first-order...
20 KB (2,993 words) - 21:37, 4 August 2024
x y σ x z σ y x σ y y σ y z σ z x σ z y σ z z ] ≡ [ σ x τ x y τ x z τ y x σ y τ y z τ z x τ z y σ z ] {\displaystyle {\boldsymbol {\sigma...
44 KB (6,591 words) - 06:22, 27 August 2024
Ramanujan tau function (section Conjectures on τ(n))
three properties of τ(n): τ(mn) = τ(m)τ(n) if gcd(m,n) = 1 (meaning that τ(n) is a multiplicative function) τ(pr + 1) = τ(p)τ(pr) − p11 τ(pr − 1) for p prime...
13 KB (1,736 words) - 15:21, 26 July 2024
the exponential time constant, τ {\displaystyle \tau } , relates to the decay rate constant, λ, in the following way: τ = 1 λ . {\displaystyle \tau ={\frac...
17 KB (2,585 words) - 15:32, 7 June 2024
equivalent to ∫ − ∞ ∞ h ( τ ) A e s ( t − τ ) d τ ⏞ H f = ∫ − ∞ ∞ h ( τ ) A e s t e − s τ d τ = A e s t ∫ − ∞ ∞ h ( τ ) e − s τ d τ = A e s t ⏟ Input ⏞ f...
36 KB (5,855 words) - 23:05, 1 September 2024
τ , τ ′ , τ ″ {\displaystyle \tau ,\tau ',\tau ''} , a term λ x : τ → τ ′ → τ ″ . λ y : τ → τ ′ . λ z : τ . x z ( y z ) : ( τ → τ ′ → τ ″ ) → ( τ → τ...
33 KB (4,587 words) - 10:39, 14 August 2024
The tau (τ), also called the tau lepton, tau particle, tauon or tau electron, is an elementary particle similar to the electron, with negative electric...
13 KB (1,417 words) - 02:01, 22 June 2024
{\displaystyle X} with topology τ {\displaystyle \tau } is a subcollection B {\displaystyle B} of τ {\displaystyle \tau } that generates τ , {\displaystyle \tau...
18 KB (1,960 words) - 05:08, 10 July 2024
Δ τ e ∫ 0 τ ¯ a ( τ ′ ) d τ ′ d τ ¯ ] [ ∫ 0 Δ τ e − ∫ 0 τ ¯ a ( τ ′ ) d τ ′ d τ ¯ ] > [ ∫ 0 Δ τ e ∫ 0 τ ¯ a ( τ ′ ) d τ ′ e − ∫ 0 τ ¯ a ( τ ′ ) d τ ′...
56 KB (7,923 words) - 20:45, 9 September 2024
τ [ ln p ( X ∣ μ , τ ) + ln p ( μ ∣ τ ) + ln p ( τ ) ] + C = E τ [ ln p ( X ∣ μ , τ ) ] + E τ [ ln p ( μ ∣ τ ) ] + E τ [ ln p ( τ...
56 KB (11,215 words) - 03:47, 20 August 2024
factor, and τ is the time constant—the time required for x to increase by one factor of b: x ( t + τ ) = a ⋅ b t + τ τ = a ⋅ b t τ ⋅ b τ τ = x ( t ) ⋅...
23 KB (3,100 words) - 02:41, 19 August 2024
defined by: r ( x ) = { u ∗ v } ( x ) ≜ ∫ − ∞ ∞ u ( τ ) v ( x − τ ) d τ = ∫ − ∞ ∞ u ( x − τ ) v ( τ ) d τ . {\displaystyle r(x)=\{u*v\}(x)\triangleq \int...
22 KB (1,984 words) - 12:21, 11 September 2024
The RC time constant, denoted τ (lowercase tau), the time constant (in seconds) of a resistor–capacitor circuit (RC circuit), is equal to the product...
6 KB (784 words) - 15:29, 5 August 2024