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American rocket stage
The Delta-K was an American rocket stage, developed by McDonnell Douglas and Aerojet. It was first used on 27 August 1989 as the second stage for the
Delta-K
Generalized function whose value is zero everywhere except at zero
In mathematical analysis, the Dirac delta function (or δ {\displaystyle {\boldsymbol {\delta }}} distribution), also known as the unit impulse, is a generalized
Dirac_delta_function
Mathematical function of two variables; outputs 1 if they are equal, 0 otherwise
− ∞ < k < ∞ {\displaystyle \delta [n-k]\equiv \delta [k-n]\equiv \delta _{nk}\equiv \delta _{kn}{\text{where}}-\infty <n<\infty ,-\infty <k<\infty }
Kronecker_delta
Rocket family
1962.[citation needed] The Delta A used the MB-3 Block II engine, with 170,000 lbf (760 kN) of thrust versus 152,000 lbf (680 kN) for the Block I. 13. 2
Delta_(rocket_family)
Nonlinear optical process
z}&{\text{for }}n{\text{-th harmonic}}.\end{cases}}} where Δ k = k n − k 1 {\displaystyle \Delta k=k_{n}-k_{1}} . It can be shown that: A n = − i ω n 2 n n ω c
Second-harmonic_generation
American space launch system (1989–2018)
of the Delta rocket family, derived from the Delta 3000, and entered service in 1989. There were two main variants, the Delta 6000 and Delta 7000, with
Delta_II
Adaptive filter algorithm for digital signal processing
to be received as x ( n ) = ∑ k = 0 q b n ( k ) d ( n − k ) + v ( n ) {\displaystyle x(n)=\sum _{k=0}^{q}b_{n}(k)d(n-k)+v(n)} where v ( n ) {\displaystyle
Recursive least squares filter
Recursive_least_squares_filter
Variant of cubic interpolation that preserves monotonicity
points: δ k = y k + 1 − y k x k + 1 − x k {\displaystyle \delta _{k}={\frac {y_{k+1}-y_{k}}{x_{k+1}-x_{k}}}} for k = 1 , … n − 1 {\displaystyle k=1,\,\dots
Monotone_cubic_interpolation
Equations describing diffraction in a crystal lattice
equations can be written as Δ k = k o u t − k i n = G {\displaystyle \mathbf {\Delta k} =\mathbf {k} _{\mathrm {out} }-\mathbf {k} _{\mathrm {in} }=\mathbf
Laue_equations
Formula in materials science
factors in a load cycle and is defined as Δ K = K max − K min . {\displaystyle \Delta K=K_{\text{max}}-K_{\text{min}}.} Being a power law relationship
Paris'_law
Neoclassical economic model
k ) − ( n + δ ) k − k ˙ {\displaystyle {\text{subject to}}\quad c=f(k)-(n+\delta )k-{\dot {k}}} where an initial non-zero capital stock k ( 0 ) = k 0
Ramsey–Cass–Koopmans_model
Variant of the Delta IV space launch vehicle
The Delta IV Heavy (Delta 9250H) was an expendable heavy-lift launch vehicle, the largest member of the Delta IV family. Following the retirement of the
Delta_IV_Heavy
Japanese-American rocket stage
The Delta Cryogenic Second Stage (DCSS) is a family of cryogenic-fuelled rocket stages used on the Delta III, Delta IV, and on the Space Launch System
Delta_Cryogenic_Second_Stage
Technique in nonlinear optics
true Δ k = k 1 − k 2 − k 3 {\displaystyle \Delta k=k_{1}-k_{2}-k_{3}} , where k 1 , k 2 , and k 3 {\displaystyle k_{1},k_{2},{\mbox{and }}k_{3}} are
Quasi-phase-matching
Calculation for the size of a fatigue crack
K {\displaystyle \Delta K} d a d N = A ( Δ K − Δ K th ) 2 [ 1 + Δ K K Ic − K max ] {\displaystyle {da \over dN}=A(\Delta K-\Delta K_{\text{th}})^{2}{\Big
Crack_growth_equation
Development economics
growth rate as, K ˙ K = I K − δ = s Y K − δ {\displaystyle \ {\frac {\dot {K}}{K}}={\frac {I}{K}}-\delta \ =s{\frac {Y}{K}}-\delta \ } ⇒ Y ˙ Y =
Harrod–Domar_model
Pictorial representation of the behavior of subatomic particles
k 1 ) ϕ ( k 2 ) ϕ ( k 3 ) ϕ ( k 4 ) ⟩ = δ ( k 1 − k 2 ) k 1 2 δ ( k 3 − k 4 ) k 3 2 + δ ( k 1 − k 3 ) k 3 2 δ ( k 2 − k 4 ) k 2 2 + δ ( k 1 − k 4 ) k
Feynman_diagram
Manual codebreaking method
well as: K = χ ⊕ ψ {\displaystyle K=\chi \oplus \psi } It is the case that: Δ K = Δ χ ⊕ Δ ψ {\displaystyle \Delta K=\Delta \chi \oplus \Delta \psi } If
Turingery
Laser science process
{\displaystyle \Delta k=k_{q}-qk_{L}=\underbrace {\Delta k_{\mathrm {neutrals} }} _{<0}+\underbrace {\Delta k_{\mathrm {ions} }} _{<0}+\underbrace {\Delta k_{\mathrm
High_harmonic_generation
Model of long-run economic growth
{k}}=s_{K}k^{\alpha }h^{\beta }-(n+g+\delta )k} h ˙ = s H k α h β − ( n + g + δ ) h {\displaystyle {\dot {h}}=s_{H}k^{\alpha }h^{\beta }-(n+g+\delta )h}
Solow–Swan_model
Bet sizing formula for long-term growth
\Delta } and get: K ( 2 p + Δ ) K − 1 [ 2 ( 1 − p ) − Δ ] N − K W − ( N − K ) ( 2 p + Δ ) K [ 2 ( 1 − p ) − Δ ] N − K − 1 W {\displaystyle K(2p+\Delta
Kelly_criterion
Retired expendable launch system in the Delta rocket family
Delta IV was a group of five expendable launch systems in the Delta rocket family. It flew 45 missions from 2002 to 2024. Originally designed by Boeing's
Delta_IV
k [ Δ ] = k [ x 1 , … , x n ] / I Δ . {\displaystyle I_{\Delta }=(x_{i_{1}}\ldots x_{i_{r}}:\{i_{1},\ldots ,i_{r}\}\notin \Delta ),\quad k[\Delta ]=k[x_{1}
Stanley–Reisner_ring
Knot invariant
Δ K 1 # K 2 ( t ) = Δ K 1 ( t ) Δ K 2 ( t ) {\displaystyle \Delta _{K_{1}\#K_{2}}(t)=\Delta _{K_{1}}(t)\Delta _{K_{2}}(t)} . If K {\displaystyle K} is
Alexander_polynomial
Measures the size of the ring of integers of the algebraic number field
of K = Q ( d ) {\displaystyle K=\mathbb {Q} ({\sqrt {d}})} is Δ K = { d if d ≡ 1 ( mod 4 ) 4 d if d ≡ 2 , 3 ( mod 4 ) . {\displaystyle \Delta _{K
Discriminant of an algebraic number field
Discriminant_of_an_algebraic_number_field
Generalization of the binomial distribution
simplex: Δ k = { ( y 1 , … , y k ) : y 1 , … , y k ≥ 0 , ∑ i y i = 1 } {\displaystyle \Delta _{k}=\left\{(y_{1},\ldots ,y_{k})\colon y_{1},\ldots ,y_{k}\geq
Multinomial_distribution
Concept in quantum mechanics
the following low-energy limit: lim k → 0 k cot δ ( k ) = − 1 a , {\displaystyle \lim _{k\to 0}k\cot \delta (k)=-{\frac {1}{a}}\;,} where a {\displaystyle
Scattering_length
Hypergolic rocket engine manufactured by Aerojet
000 lbf (40 kN) of thrust and was derived from the AJ10-138 engine used on the Transtage. It was used by the Delta-F upper stage of the Delta 1000 Straight
AJ10
Indicator function of positive numbers
] , {\displaystyle H[n]=\sum _{k=-\infty }^{n}\delta [k],} where δ [ k ] = δ k , 0 {\textstyle \delta [k]=\delta _{k,0}} is the discrete unit impulse
Heaviside_step_function
Matrix property in linear algebra
denoted as δ K {\displaystyle \delta _{K}} . For any matrix that satisfies the RIP property with a RIC of δ K {\displaystyle \delta _{K}} , the following
Restricted_isometry_property
Expendable Rocket developed by USA during the Cold War to launch satellites
The Thor-Delta, also known as Delta DM-19 or just Delta was an early American expendable launch system used for 12 orbital launches in the early 1960s
Thor-Delta
Ratio of how much additional investment is needed to generate one unit of extra output
Ratio (ICOR)}}={\frac {\Delta K}{\Delta Y}}={\frac {\frac {\Delta K}{Y}}{\frac {\Delta Y}{Y}}}={\frac {\frac {I}{Y}}{\frac {\Delta Y}{Y}}}} According to
Incremental capital-output ratio
Incremental_capital-output_ratio
Matrices important in quantum mechanics and the study of spin
\delta }\equiv \sum _{k=1}^{3}\sigma _{\alpha \beta }^{k}\ \sigma _{\gamma \delta }^{k}=2\ \delta _{\alpha \delta }\ \delta _{\beta \gamma }-\delta _{\alpha
Pauli_matrices
Differential absorption of circularly polarized light in a magnetic field
+ {\displaystyle +} ) circularly polarized light, Δ k = k − − k + {\displaystyle \Delta k=k_{-}-k_{+}} , following the sign convention of natural optical
Magnetic_circular_dichroism
Type of analog or digital filter
\\|K(j\omega _{N_{Rz}})_{|K(j)|=1}|-1\\\end{bmatrix}}\\&\\&[J(R_{k},\omega _{i})][\Delta _{k}]=[B_{k}]\\&\\&[Rz_{k+1}]=[Rz_{k}]+[\Delta _{k}]\\\end{aligned}}}
Chebyshev_filter
Pattern defining an infinite sequence of numbers
^{k}=\Delta \circ \Delta ^{k-1},} and one has Δ k a n = ∑ t = 0 k ( − 1 ) t ( k t ) a n + k − t . {\displaystyle \Delta ^{k}a_{n}=\sum _{t=0}^{k}(-1)^{t}{\binom
Recurrence_relation
Mathematical term
}}(\gamma _{k}\rho _{k})\quad {\text{on}}\quad \Delta _{k},} hence the form β k + 1 := β k + 1 ′ + ∂ ¯ ( γ k ρ k ) {\displaystyle \beta _{k+1}:=\beta '_{k+1}+{\bar
Dolbeault_cohomology
Mathematical operation in quantum optics, general relativity and other areas of physics
k ϵ k c k † c k + ∑ k Δ k c k † c − k † + Δ k ∗ c − k c k {\displaystyle H\sim \sum _{k}\epsilon _{k}c_{k}^{\dagger }c_{k}+\sum _{k}\Delta _{k}c_{k}^{\dagger
Bogoliubov_transformation
Smooth curve outlining the extremes of an oscillating signal
as: v g = 2 π Δ f Δ k = Δ ω Δ k , {\displaystyle v_{\rm {g}}={\frac {2\pi \Delta f}{\Delta k}}={\frac {\Delta \omega }{\Delta k}}\ ,} where ω is the
Envelope_(waves)
Mathematical manifold theory
k ( M ) ≅ im d k − 1 ⊕ im δ k + 1 ⊕ H Δ k ( M ) . {\displaystyle \Omega ^{k}(M)\cong \operatorname {im} d_{k-1}\oplus \operatorname {im} \delta _{k+1}\oplus
Hodge_theory
Quantum algorithm for eigenvalue estimation
{1}{2^{2n}}}\left|\sum _{k=0}^{2^{n}-1}e^{2\pi i\delta k}\right|^{2}={\frac {1}{2^{2n}}}\left|{\frac {1-{e^{2\pi i2^{n}\delta }}}{1-{e^{2\pi i\delta }}}}\right|^{2}
Quantum phase estimation algorithm
Quantum_phase_estimation_algorithm
Class of Russian nuclear powered ballistic submarines
667BDR Kalmar, Project 667BDRM Delfin, (NATO reporting names Delta I, Delta II, Delta III, Delta IV respectively) are a family of nuclear-powered ballistic
Delta-class_submarine
Heat capacity of an electron gas
energy Δ k ( T ) = − ∑ k k ′ u k ′ v k ′ {\displaystyle \Delta _{k}(T)=-\sum _{kk'}u_{k'}v_{k'}} the energy gap parameter where u k {\displaystyle u_{k}} and
Electronic_specific_heat
American liquid-propellant rocket stage
Douglas/Aerojet Delta-K upper stage was introduced in the Delta 3000 program. The Delta-K was then exclusively used on the second stage for the Delta 4000, Delta 5000
Delta-P
North American collegiate women's fraternity
Delta Delta Delta (ΔΔΔ), also known as Tri Delta, is an international collegiate women's fraternity. It was founded on November 27, 1888 at Boston University
Delta_Delta_Delta
Airline of the United States
Delta Air Lines, Inc. is a major airline in the United States headquartered in Atlanta, Georgia, operating nine hubs, with Hartsfield–Jackson Atlanta
Delta_Air_Lines
When one nuclear reaction causes more
factors k 1 {\displaystyle k_{1}} and k 2 {\displaystyle k_{2}} , Δ k k = k 2 − k 1 k 1 k 2 {\displaystyle {\Delta k \over k}={k_{2}-k_{1} \over k_{1}k_{2}}}
Nuclear_chain_reaction
List of aircraft operated by Delta Air Lines
The Delta Air Lines fleet consists of 987 mainline aircraft, making it the third largest commercial airline fleet in the world. Prior to its 2008 merger
Delta_Air_Lines_fleet
Mathematical function with no sudden changes
) = K | δ | , K > 0 } {\displaystyle {\mathcal {C}}_{\mathrm {Lipschitz} }=\{C:C(\delta )=K|\delta |,\ K>0\}} C Hölder − α = { C : C ( δ ) = K | δ |
Continuous_function
Universal construction in multilinear algebra
Component-wise, ( Δ ∘ η ) ( k ) = Δ ( k ) = k ( 1 ⊠ 1 ) ≅ k {\displaystyle (\Delta \circ \eta )(k)=\Delta (k)=k(1\boxtimes 1)\cong k} with the right-hand side
Tensor_algebra
Cyclone strength measure
k {\displaystyle Q_{in:k}} , is given by Q i n : k = C k ρ | u | Δ k {\displaystyle Q_{in:k}=C_{k}\rho |\mathbf {u} |\Delta k} where Δ k = k s ∗ − k {\displaystyle
Maximum_potential_intensity
Antisymmetric permutation object acting on tensors
_{kn}-\delta _{jn}\delta _{km}\right)-\delta _{im}\left(\delta _{jl}\delta _{kn}-\delta _{jn}\delta _{kl}\right)+\delta _{in}\left(\delta _{jl}\delta _{km}-\delta
Levi-Civita_symbol
Decentralized distributed system with lookup service
( k 1 , k 2 ) {\displaystyle \delta (k_{1},k_{2})} that defines an abstract notion of the distance between the keys k 1 {\displaystyle k_{1}} and k 2
Distributed_hash_table
American rocket family
intermediate-range ballistic missile. The Thor rocket was the first member of the Delta rocket family of space launch vehicles. The last launch of a direct derivative
Thor_(rocket_family)
Space launch vehicle
stage offered significantly better performance than the Delta II's second stage, the Delta-K, which burned hypergolic propellants. The DCSS was powered
Delta_III
Liquid fuel cryogenic rocket engine, typically used on rocket upper stages
110 kN (24,700 lbf) of thrust per engine in vacuum. RL10 versions were produced for the Centaur upper stage of the Atlas V and the DCSS of the Delta IV
RL10
Process of energy transfer to an object via force application through displacement
particle's kinetic energy E k {\displaystyle E_{\text{k}}} , W = Δ E k = 1 2 m v 2 2 − 1 2 m v 1 2 {\displaystyle W=\Delta E_{\text{k}}={\frac {1}{2}}mv_{2}^{2}-{\frac
Work_(physics)
Angular momentum in special and general relativity
}}_{j}L^{ij}\\&=\gamma c\left(\beta ^{k}{\delta ^{\ell }}_{i}-\beta ^{\ell }{\delta ^{k}}_{i}\right)N^{i}+\left[{\delta ^{k}}_{i}{\delta ^{\ell }}_{j}+{\frac {\gamma
Relativistic_angular_momentum
Complex-valued smooth functions of the upper half plane (harmonic analysis topic)
shown that ( Δ k f ) | | k g = Δ k ( f | | k g ) {\displaystyle (\Delta _{k}f)_{||k}g=\Delta _{k}(f_{||k}g)} holds for all f ∈ C ∞ ( H ) , k ∈ Z {\displaystyle
Maass_wave_form
Mathematical method in extremal graph theory
at most δ k n k {\displaystyle \delta _{k}n^{k}} k − {\displaystyle k-} edges K {\displaystyle K} of H ( k ) {\displaystyle {\mathcal {H}}^{(k)}} have the
Hypergraph_regularity_method
Series of American expendable launch systems
the 3000 series. The Delta-K was used as a second stage. In the configuration that was launched, no third stage was flown. The Delta 5000 was launched just
Delta_5000
Area interpreted positively or negatively
{k_{1}}{k\delta }}(ka+\ell b))} shear mapping = ( k a + ℓ b , k 1 k δ ( k a + ( δ k 1 + ℓ ) b ) {\displaystyle =(ka+\ell b,\ {\frac {k_{1}}{k\delta }}(ka+({\frac
Signed_area
Polyhedron with four faces
_{j}^{2}+\Delta _{k}^{2}+\Delta _{l}^{2}-2(\Delta _{j}\Delta _{k}\cos \theta _{il}+\Delta _{j}\Delta _{l}\cos \theta _{ik}+\Delta _{k}\Delta _{l}\cos \theta _{ij})}
Tetrahedron
Earliest theoretical cosmological structures
δ k δ k ′ ⟩ = 2 π 2 k 3 δ D ( k − k ′ ) P ( k ) , {\displaystyle \langle \delta _{k}\delta _{k'}\rangle ={\frac {2\pi ^{2}}{k^{3}}}\,\delta _{D}(k-k')\
Primordial_fluctuations
Roughly, the number of k-dimensional holes on a topological surface
group is H k = ker δ k / Im δ k + 1 {\displaystyle H_{k}=\ker \delta _{k}/\operatorname {Im} \delta _{k+1}} , the δ k {\displaystyle \delta _{k}} s are
Betti_number
Mathematical conjecture about the Riemann zeta function
{\displaystyle g(k)=i\sum _{n=0}^{\infty }\left({\frac {1}{2}}-\rho _{n}\right)\delta (k-n)} where δ ( k − n ) {\displaystyle \delta (k-n)} is the Dirac delta function
Hilbert–Pólya_conjecture
Study of propagation of cracks in materials
growth is largely governed by the range of the stress intensity Δ K {\displaystyle \Delta K} experienced by the crack due to the applied loading. Fast fracture
Fracture_mechanics
Discrete analog of a derivative
= ∑ k = 0 ∞ Δ k [ f ] ( a ) k ! ( x − a ) k = ∑ k = 0 ∞ ( x − a k ) Δ k [ f ] ( a ) , {\displaystyle f(x)=\sum _{k=0}^{\infty }{\frac {\Delta ^{k}[f](a)}{k
Finite_difference
Vector behavior under coordinate changes
^{k}=(B_{ij}\mathbf {e} ^{j})\cdot \mathbf {e} ^{k}{\stackrel {\text{(D.3,3)}}{\to }}B_{ij}g^{jk}=\delta _{i}^{k}} ; multiplying both sides by g m k {\displaystyle
Covariance and contravariance of vectors
Covariance_and_contravariance_of_vectors
Historical term in mathematics
the k-th forward differences Δ k [ f ] {\displaystyle \Delta ^{k}[f]} of a polynomial function f, f ( x ) = ∑ k = 0 ∞ Δ k [ f ] ( a ) k ! ( x − a ) k {\displaystyle
Umbral_calculus
Here is a list of the delta rockets (from thor to delta version)
The Delta A used the MB-3 Block II engine, with 170,000 lbf (760 kN) of thrust versus 152,000 lbf (680 kN) for the Block I. 13. 2 October 1962 – Explorer
List_of_Delta_1_launches
Concept in mathematics
{\begin{aligned}\mathbf {K} _{0}\mathbf {x} _{0i}&+\delta \mathbf {K} \mathbf {x} _{0i}+\mathbf {K} _{0}\delta \mathbf {x} _{i}+\delta \mathbf {K} \delta \mathbf {x}
Eigenvalue_perturbation
American expendable launch system
The Delta-K was used as a second stage. A Star-48B PAM-D was used as a third stage, to boost payloads into geosynchronous transfer orbit. Two Delta 4000
Delta_4000
1958-1960 US space rocket system
stage. It was a member of the Thor family and an early predecessor of the Delta. The Able upper stage name represents its place as the first in the series
Thor-Able
Summatory function of the divisor-counting function
one has D k ( x ) = x P k ( log x ) + Δ k ( x ) {\displaystyle D_{k}(x)=xP_{k}(\log x)+\Delta _{k}(x)\,} where P k {\displaystyle P_{k}} is a polynomial
Divisor_summatory_function
Application of geometry in number theory
discriminant Δ K {\displaystyle \Delta _{K}} is the determinant of the Gram matrix of an integral basis of O K {\displaystyle {\mathcal {O}}_{K}} with respect
Geometry_of_numbers
Function used in signal processing
k ) 2 = ∫ − ∞ ∞ ( k − k 0 ) 2 F ( k ) F ∗ ( k ) d k ∫ − ∞ ∞ F ( k ) F ∗ ( k ) d k {\displaystyle (\Delta k)^{2}={\frac {\int _{-\infty }^{\infty }(k
Gabor_wavelet
Intermediate-range ballistic missile
employment. The missile's lasting legacy continued as the Thor and later Delta families of space launch vehicles used boosters derived from the initial
PGM-17_Thor
Silt deposition landform at the mouth of a river
A river delta is a landform, typically triangular, created by the deposition of the sediments that are carried by the waters of a river, where the river
River_delta
American expendable launch vehicle
The Delta E, or Thor-Delta E was an American expendable launch system used for twenty-three orbital launches between 1965 and 1971. It was a member of
Delta_E
Non-local formulation of continuum mechanics
^{n}}\{k({\bf {\xi }},\delta )\}\,,\\\lim _{{\bf {\xi }}\rightarrow \delta }k({\bf {\xi }},\delta )=0\,,\\\int _{\mathbb {R} ^{n}}\lim _{\delta \rightarrow
Peridynamics
Model parameters in mathematical finance
The most commonly quoted are 25 delta put, 50 delta put/50 delta call, and 25 delta call. 50 Delta put and 50 Delta call are not quite identical, due
Greeks_(finance)
Given a cover of a compact metric space, all small subsets are subset of some cover set
\vdots } δ k = 1 k , ∃ A k ⊂ X where diam ( A k ) < δ k and ¬ ∃ β ( A k ⊂ U β ) {\displaystyle \delta _{k}={\frac {1}{k}},\quad \exists A_{k}\subset X\quad
Lebesgue's_number_lemma
American expendable launch vehicle
The Delta A, or Thor-Delta A was an American expendable launch system used to launch two Explorer spacecraft in October 1962. A derivative of the Thor-Delta
Delta_A
In physics, solution to Schrödinger equation
) 3 k 2 δ ( k − k ′ ) {\displaystyle \int _{0}^{\infty }R_{k\ell }^{\ast }(r)R_{k'\ell }(r)r^{2}dr={\frac {(2\pi )^{3}}{k^{2}}}\delta (k-k')} as a consequence
Coulomb_wave_function
American expendable launch system
Wade, Mark. "Delta". Encyclopedia Astronautica. Archived from the original on 24 July 2008. Retrieved 30 November 2008. Wade, Mark. "Delta". Encyclopedia
Thor-Ablestar
Exterior algebraic map taking tensors from p forms to n-p forms
k ( M ) → Ω k + 1 ( M ) {\displaystyle d:\Omega ^{k}(M)\to \Omega ^{k+1}(M)} while δ : Ω k ( M ) → Ω k − 1 ( M ) . {\displaystyle \delta :\Omega ^{k}(M)\to
Hodge_star_operator
Determination of a material or structure's resiliency against cyclic loading
factor range Δ K = K max − K min {\displaystyle \Delta K=K_{\max }-K_{\min }} , where the minimum stress intensity factor K min {\displaystyle K_{\min }} corresponds
Fatigue_testing
Tool in mathematical dimension theory
) ⋯ ( 1 + t + ⋯ + t δ k − 1 ) ( 1 − t ) n − k . {\displaystyle HS_{R_{k}}(t)={\frac {(1-t^{\delta _{1}})\cdots (1-t^{\delta _{k}})}{(1-t)^{n}}}={\frac
Hilbert series and Hilbert polynomial
Hilbert_series_and_Hilbert_polynomial
Hypercube partition of Euclidean space
dyadic cubes of scale k as above. Define Δ k α = { Q + α : Q ∈ Δ k } . {\displaystyle \Delta _{k}^{\alpha }=\{Q+\alpha :Q\in \Delta _{k}\}.} This is the set
Dyadic_cubes
∂ z ) ( k 2 i y + ∂ ∂ z ) , {\displaystyle {\begin{aligned}\delta _{k}^{(n)}&:=\delta _{k+2n-2}\delta _{k+2n-4}\cdots \delta _{k+2}\delta _{k}\\&={\frac
Maass–Shimura_operator
Method of solution to differential equations
LG(x,s)=\delta (x-s)} with respect to both x {\displaystyle x} and s {\displaystyle s} gives: G ^ ( k x , k s ) = δ ( k x − k s ) ∏ i = 1 N ( i k x − z i
Green's_function
Thermodynamic property
the rate of heat flow is: Q Δ t = − k A Δ T Δ x {\displaystyle {\frac {Q}{\Delta t}}=-kA{\frac {\Delta T}{\Delta x}}} where Q {\displaystyle Q} is the
Rate_of_heat_flow
Series of American expendable launch systems
Delta family of rockets, sometimes called Thorad Delta. Several variants existed, which were differentiated by a four digit numerical code. The Delta
Delta_2000
Crack growth calculation program
then Δ K eff = K max − max ( K op , K min ) {\displaystyle \Delta K_{\text{eff}}=K_{\text{max}}-{\text{max}}(K_{\text{op}},K_{\text{min}})} which allows
Fastran
Fluid dynamics phenomenon
C r k ∈ k e r ( Δ k ) , k > 1 {\displaystyle {\frac {C}{r^{k}}}\in ker(\Delta _{k}),~k>1} belong to the kernel of Δ k {\displaystyle \Delta _{k}} and
Stokes'_paradox
School district in British Columbia, Canada
District No. 37 (Delta) is a school district in British Columbia south of Vancouver. The district serves the Municipality of Delta including the three
School_District_37_Delta
Launch vehicle developed in United States
second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family. The first attempted launch of a Thor-Agena was
Thor-Agena
Iterative optimisation algorithm
by constructing a sequence x k = x k − 1 + δ k {\displaystyle {\boldsymbol {x}}_{k}={\boldsymbol {x}}_{k-1}+\delta _{k}} that converges to x ∗ {\displaystyle
Powell's_dog_leg_method
Probability problem
sequences satisfy the equation ( − 1 ) k ( Δ k m ) n ≥ 0 {\displaystyle (-1)^{k}(\Delta ^{k}m)_{n}\geq 0} for all n, k ≥ 0. Here, Δ is the difference operator
Hausdorff_moment_problem
DELTA K
DELTA K
Boy/Male
Tamil
Inder Kant | இநà¯à®¤à®°à®•à®¾à®¨à¯à®¤
Indra devta
Inder Kant | இநà¯à®¤à®°à®•à®¾à®¨à¯à®¤
Girl/Female
Hindu, Indian, Punjabi, Sikh
Divine Damsel
Boy/Male
Hawaiian
The Lord is my God.
Female
English
(Δήλια) Greek name DELIA means "of Delos." In mythology, this is a name borne by Artemis, referring to her place of birth.
Girl/Female
American, Australian, Celtic, Chinese, Christian, French, German, Spanish
Noble Protector; Of the Sea
Girl/Female
German American Spanish
Noble protector.
Girl/Female
Hindu
Nag devta, Song, Tune or a melody
Male
Egyptian
, a ram deity; and, a town in the Delta.
Girl/Female
American, Australian, British, Christian, English, German, Latin
Noble; Of Nobility; Small Winged One; Heart; Delight
Girl/Female
Indian
A name of Goddess Lakshmi
Girl/Female
Greek American
Born fourth. Fourth letter of the Greek alphabet.
Boy/Male
Hindu
Indra devta
Girl/Female
American, Australian, British, Chinese, Christian, Danish, English, Finnish, French, German, Greek, Italian, Latin, Portuguese, Romanian, Swedish
Of Delos; Visible; Heart; People-bold; Delightful; Faithful
Female
English
Short form of English Fidelma, possibly DELMA means "hospitable."
Girl/Female
Welsh American Celtic German Greek
Dark.
Girl/Female
Tamil
Nagamma | நாகமமாஂÂ
Nag devta, Song, Tune or a melody
Nagamma | நாகமமாஂÂ
Girl/Female
American, Australian, Christian, Greek, Hebrew
Triangular River Mouth; Mouth of a River; Fourth Letter of Greek Alphabet; A Name for a Fourth Child; Fourth Letter of the Greek Alphabet
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
A Name for Goddess Lakshmi
Female
English
Feminine form of English Dell, DELLA means "lives in a dell/hollow."
Girl/Female
German American English Greek
Bright. Noble.
DELTA K
DELTA K
Girl/Female
Welsh American
meaning bitter. Favored prefix for blended names like Maribel.
Boy/Male
Muslim/Islamic
Best Friend
Girl/Female
Hindu
Female
Arthurian
, the "unsympathetic" lover of Pelleas.
Boy/Male
Hindu, Indian, Tamil
Small; Humble
Boy/Male
Tamil
Moon, Fire
Boy/Male
Hindu, Indian
Good Human Being
Boy/Male
Indian, Japanese
Jungle
Boy/Male
Indian
Submission
Male
Scottish
Variant spelling of Scottish Somerled, SUMMERLAD means "summer traveler."
DELTA K
DELTA K
DELTA K
DELTA K
DELTA K
n.
A flat apothecium having no rim.
a.
Shaped like the Greek / (delta); delta-shaped; triangular.
n.
The formation of a delta or of deltas.
n.
The act of keeping or preserving in safety from injury or from escape; care; custody.
pl.
of Delta
n.
A tract of land shaped like the letter delta (/), especially when the land is alluvial and inclosed between two or more mouths of a river; as, the delta of the Ganges, of the Nile, or of the Mississippi.
a.
Having weak knees; hence, easily yielding; wanting resolution.
n.
A small shield, especially one of an approximately elliptic form, or crescent-shaped.
a.
Kindled of itself, or without extraneous aid or power.
pl.
of Pelta
a.
Knowing of itself, without help from another.
a.
Knowing one's self, or one's own character, powers, and limitations.
n.
Knowledge of one's self, or of one's own character, powers, limitations, etc.
a.
Fully known; generally known or acknowledged.
a.
Relating to, or like, a delta.
a.
Of or pertaining to the Accademia della Crusca in Florence.