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Longer titles found: Linear combination of atomic orbitals (view), Symmetry-adapted linear combination (view)

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alternate case: linear combination

PLATO (computational chemistry) (798 words) [view diff] no match in snippet view article

PLATO (Package for Linear-combination of ATomic Orbitals) is a suite of programs for electronic structure calculations. It receives its name from the choice
Generalized chi-squared distribution (2,232 words) [view diff] exact match in snippet view article find links to article
quadratic function of a multinormal variable (normal vector), or a linear combination of different normal variables and squares of normal variables. Equivalently
Chain (algebraic topology) (639 words) [view diff] exact match in snippet view article
In algebraic topology, a k-chain is a formal linear combination of the k-cells in a cell complex. In simplicial complexes (respectively, cubical complexes)
Linear circuit (945 words) [view diff] exact match in snippet view article find links to article
of the circuit F(x) when a linear combination of signals ax1(t) + bx2(t) is applied to it is equal to the linear combination of the outputs due to the
Formal sum (161 words) [view diff] exact match in snippet view article find links to article
In mathematics, a formal sum, formal series, or formal linear combination may be: In group theory, an element of a free abelian group, a sum of finitely
Configuration interaction (844 words) [view diff] exact match in snippet view article find links to article
multi-electron system. Mathematically, configuration simply describes the linear combination of Slater determinants used for the wave function. In terms of a specification
Multi-configurational self-consistent field (1,120 words) [view diff] exact match in snippet view article find links to article
low-lying excited states or in bond-breaking situations). It uses a linear combination of configuration state functions (CSF), or configuration determinants
Least-angle regression (782 words) [view diff] exact match in snippet view article find links to article
Tibshirani. Suppose we expect a response variable to be determined by a linear combination of a subset of potential covariates. Then the LARS algorithm provides
One-form (differential geometry) (777 words) [view diff] exact match in snippet view article
local coordinates. In a local coordinate system, a one-form is a linear combination of the differentials of the coordinates: α x = f 1 ( x ) d x 1 + f
Phasor (4,997 words) [view diff] exact match in snippet view article find links to article
the complex amplitude (phasor). A linear combination of such functions can be represented as a linear combination of phasors (known as phasor arithmetic
Poisson regression (2,750 words) [view diff] exact match in snippet view article find links to article
and assumes the logarithm of its expected value can be modeled by a linear combination of unknown parameters. A Poisson regression model is sometimes known
Moment-generating function (2,820 words) [view diff] no match in snippet view article find links to article
In probability theory and statistics, the moment-generating function of a real-valued random variable is an alternative specification of its probability
Stability (probability) (669 words) [view diff] exact match in snippet view article
theory, the stability of a random variable is the property that a linear combination of two independent copies of the variable has the same distribution
Coefficient of multiple correlation (923 words) [view diff] exact match in snippet view article find links to article
predictions are exactly correct and a value of 0 indicating that no linear combination of the independent variables is a better predictor than is the fixed
Elementary function (1,518 words) [view diff] exact match in snippet view article find links to article
function has an elementary antiderivative, then this antiderivative is a linear combination of logarithms, where the coefficients and the arguments of the logarithms
Hirzebruch signature theorem (604 words) [view diff] exact match in snippet view article find links to article
expressing the signature of a smooth closed oriented manifold by a linear combination of Pontryagin numbers called the L-genus. It was used in the proof
Ensemble averaging (machine learning) (912 words) [view diff] exact match in snippet view article
is known as a linear combination of experts. It can be seen that most forms of neural network are some subset of a linear combination: the standard neural
Powell's method (593 words) [view diff] exact match in snippet view article find links to article
new position ( x 1 {\textstyle x_{1}} ) can then be expressed as a linear combination of the search vectors i.e. x 1 = x 0 + ∑ i = 1 N α i s i {\textstyle
Littlewood–Richardson rule (3,661 words) [view diff] exact match in snippet view article find links to article
that arise when decomposing a product of two Schur functions as a linear combination of other Schur functions. These coefficients are natural numbers,
Volatility swap (1,748 words) [view diff] exact match in snippet view article find links to article
similar but simpler variance swaps, which can be replicated with a linear combination of options and a dynamic position in futures. The difference between
Weighted sum model (855 words) [view diff] exact match in snippet view article find links to article
decision theory, the weighted sum model (WSM), also called weighted linear combination (WLC) or simple additive weighting (SAW), is the best known and simplest
Precomputed Radiance Transfer (253 words) [view diff] exact match in snippet view article find links to article
environment. In essence, PRT computes the illumination of a point as a linear combination of incident irradiance. An efficient method must be used to encode
Eigenfunction (2,338 words) [view diff] exact match in snippet view article find links to article
the elements of the identity matrix. Functions can be written as a linear combination of the basis functions, f ( t ) = ∑ j = 1 n b j u j ( t ) , {\displaystyle
List of mathematics-based methods (238 words) [view diff] exact match in snippet view article find links to article
algebra) Largest remainder method (voting systems) Level-set method Linear combination of atomic orbitals molecular orbital method (molecular orbitals) Method
Spatially offset Raman spectroscopy (959 words) [view diff] exact match in snippet view article find links to article
constraints. Importantly, the spectrum produced by a mixture forms a linear combination of the component spectra, enabling relative chemical content to be
Chi-squared distribution (6,817 words) [view diff] case mismatch in snippet view article find links to article
S2CID 19777585. Bausch, J. (2013). "On the Efficient Calculation of a Linear Combination of Chi-Square Random Variables with an Application in Counting String
Two-vector (1,008 words) [view diff] exact match in snippet view article find links to article
two-form can be expressed as a linear combination of tensor products of pairs of vectors, especially a linear combination of tensor products of pairs of
Sammon mapping (571 words) [view diff] exact match in snippet view article find links to article
considered a non-linear approach as the mapping cannot be represented as a linear combination of the original variables as possible in techniques such as principal
Algebraic cycle (1,472 words) [view diff] exact match in snippet view article find links to article
mathematics, an algebraic cycle on an algebraic variety V is a formal linear combination of subvarieties of V. These are the part of the algebraic topology
Euclidean domain (2,505 words) [view diff] exact match in snippet view article find links to article
common divisor of any two elements exists and can be written as a linear combination of them (Bézout's identity). In particular, the existence of efficient
Schur polynomial (3,773 words) [view diff] exact match in snippet view article find links to article
polynomials. Any product of Schur polynomials can be written as a linear combination of Schur polynomials with non-negative integral coefficients; the
Nonnegative rank (linear algebra) (741 words) [view diff] exact match in snippet view article
vectors, such that every column of the matrix can be written as a linear combination of those vectors. For the nonnegative rank, it is required that the
Nonnegative rank (linear algebra) (741 words) [view diff] exact match in snippet view article
vectors, such that every column of the matrix can be written as a linear combination of those vectors. For the nonnegative rank, it is required that the
Rational dependence (312 words) [view diff] exact match in snippet view article find links to article
numbers is rationally independent if none of them can be written as a linear combination of the other numbers in the collection with rational coefficients
Frobenius covariant (748 words) [view diff] exact match in snippet view article find links to article
expresses a function of a matrix f(A) as a matrix polynomial, namely a linear combination of that function's values on the eigenvalues of A. Let A be a diagonalizable
Psychometric function (509 words) [view diff] exact match in snippet view article find links to article
psychophysical data. The probability of response is related to a linear combination of predictors by means of a sigmoid link function (e.g. probit, logit
Miller index (2,455 words) [view diff] exact match in snippet view article find links to article
Bravais lattice. (Note that the plane is not always orthogonal to the linear combination of direct or original lattice vectors h a 1 + k a 2 + ℓ a 3 {\displaystyle
Stewart–Walker lemma (548 words) [view diff] exact match in snippet view article find links to article
T_{0}} is a constant scalar field 3. T 0 {\displaystyle T_{0}} is a linear combination of products of delta functions δ a b {\displaystyle \delta _{a}^{b}}
It Came from the Desert (1,620 words) [view diff] exact match in snippet view article find links to article
the 1953 horror film, It Came from Outer Space. The game is a non-linear combination of dialogue boxes and several types of action scenes, typical of contemporary
Swain–Lupton equation (1,276 words) [view diff] exact match in snippet view article find links to article
to be independent of each other and therefore can be written as a linear combination: These two parameters are treated as independent terms because of
Chasles–Cayley–Brill formula (206 words) [view diff] exact match in snippet view article find links to article
correspondence has valence k if and only if it is homologous to a linear combination a(C×1) + b(1×C) – kΔ where Δ is the diagonal of C×C. The Chasles–Cayley–Brill
Hodge conjecture (3,013 words) [view diff] exact match in snippet view article find links to article
non-singular complex projective manifold. Then every Hodge class on X is a linear combination with rational coefficients of the cohomology classes of complex subvarieties
Configuration state function (1,690 words) [view diff] exact match in snippet view article find links to article
chemistry, a configuration state function (CSF), is a symmetry-adapted linear combination of Slater determinants. A CSF must not be confused with a configuration
Elementary group (198 words) [view diff] exact match in snippet view article find links to article
induced characters states that a character on a finite group is a linear combination with integer coefficients of characters induced from elementary subgroups
Canonical analysis (597 words) [view diff] exact match in snippet view article find links to article
represent Y. It works by finding the linear combination of X variables, i.e. X1, X2 etc., and linear combination of Y variables, i.e. Y1, Y2 etc., which
Kostant partition function (1,711 words) [view diff] exact match in snippet view article find links to article
ways one can represent a vector (weight) as a non-negative integer linear combination of the positive roots Δ + ⊂ Δ {\displaystyle \Delta ^{+}\subset \Delta
Steerable filter (940 words) [view diff] exact match in snippet view article find links to article
filter for each orientation, a steerable filter is synthesized from a linear combination of a small, fixed set of "basis filters". This approach is efficient
Standard linear solid model (1,312 words) [view diff] exact match in snippet view article find links to article
method of modeling the behavior of a viscoelastic material using a linear combination of springs and dashpots to represent elastic and viscous components
Slater-type orbital (2,489 words) [view diff] exact match in snippet view article find links to article
Slater-type functions (STFs) are functions used as atomic orbitals in the linear combination of atomic orbitals molecular orbital method. They are named after
State prices (916 words) [view diff] exact match in snippet view article find links to article
whose value is uncertain at contract date, can be decomposed as a linear combination of its Arrow–Debreu securities, and thus as a weighted sum of its
Solid harmonics (3,707 words) [view diff] exact match in snippet view article find links to article
(again, up to the specific choice of normalization). By a simple linear combination of solid harmonics of ±m these functions are transformed into real
Gordan's lemma (1,251 words) [view diff] exact match in snippet view article find links to article
{\displaystyle M} , such that every element of M {\displaystyle M} is a linear combination of these vectors with non-negative integer coefficients. The semigroup
Echo state network (1,748 words) [view diff] exact match in snippet view article find links to article
network, and secondly connect a desired output signal by a trainable linear combination of all these response signals. Another feature of the ESN is the autonomous
Eaton's inequality (852 words) [view diff] exact match in snippet view article find links to article
theory, Eaton's inequality is a bound on the largest values of a linear combination of bounded random variables. This inequality was described in 1974
Complete active space (250 words) [view diff] exact match in snippet view article find links to article
Slater determinants for the description of the wavefunction as a linear combination of these determinants. Based on the freedom left for the occupation
SO(10) (1,593 words) [view diff] exact match in snippet view article
There is another possible branching, under which the hypercharge is a linear combination of an SU(5) generator and χ. This is known as flipped SU(5). Another
L-estimator (1,732 words) [view diff] exact match in snippet view article find links to article
statistics, an L-estimator (or L-statistic) is an estimator which is a linear combination of order statistics of the measurements. This can be as little as
Method of moments (electromagnetics) (4,009 words) [view diff] exact match in snippet view article
methods, often for the surface. The solutions are represented with the linear combination of pre-defined basis functions; generally, the coefficients of these
Alexander Buchan (mathematician) (436 words) [view diff] case mismatch in snippet view article
completed his PhD in mathematics in 1939 with a thesis entitled, "Linear Combination of Data with Least Error of Differences". Buchan was awarded an MBE
Mulliken population analysis (884 words) [view diff] exact match in snippet view article find links to article
methods of computational chemistry, particularly those based on the linear combination of atomic orbitals molecular orbital method, and are routinely used
Method of mean weighted residuals (842 words) [view diff] exact match in snippet view article find links to article
resulting coefficients are made to minimize the error between the linear combination of test functions, and actual solution, in a chosen norm. It is often
Cubic plane curve (2,876 words) [view diff] exact match in snippet view article find links to article
determined by setting z = 1 in such an equation. Here F is a non-zero linear combination of the third-degree monomials ⁠ x 3 , y 3 , z 3 , x 2 y , x 2 z ,
Spline (mathematics) (3,784 words) [view diff] exact match in snippet view article
coefficients of the linear combination of those basis polynomials that give the spline on that interval c0, ..., ck–2 Add up that linear combination of basis polynomial
Geophysical survey (2,959 words) [view diff] exact match in snippet view article find links to article
time associated with that signal. By representing any signal as the linear combination of the wavelet functions, we can localize the signals in both time
Jordan normal form (7,479 words) [view diff] exact match in snippet view article find links to article
suppose some linear combination of the vectors is 0. Applying ⁠ A − λ I , {\displaystyle A-\lambda I,} ⁠ we get some linear combination of pi, with the
Jacobi field (1,433 words) [view diff] exact match in snippet view article find links to article
{\displaystyle T=a{\dot {\gamma }}(t)+bt{\dot {\gamma }}(t)} is a linear combination of trivial Jacobi fields and I ( t ) {\displaystyle I(t)} is orthogonal
Generating set of a module (490 words) [view diff] exact match in snippet view article find links to article
generating set of a module M, then every element of M is a (finite) R-linear combination of some elements of Γ; i.e., for each x in M, there are r1, ..., rm
Simple (401 words) [view diff] exact match in snippet view article find links to article
algorithm, in computational fluid dynamics Simple function, a finite linear combination of indicator functions of measurable sets Simple machine, a mechanical
Interpersonal ties (3,386 words) [view diff] exact match in snippet view article find links to article
absent or invisible. The "strength" of an interpersonal tie is a linear combination of the amount of time, the emotional intensity, the intimacy (or mutual
Free module (1,808 words) [view diff] exact match in snippet view article find links to article
many c e {\displaystyle c_{e}} are nonzero. It is called a formal linear combination of elements of E. A similar argument shows that every free left (resp
T-function (713 words) [view diff] exact match in snippet view article find links to article
an update function in which each bit of the state is updated by a linear combination of the same bit and a function of a subset of its less significant
Signature (topology) (795 words) [view diff] exact match in snippet view article
manifold is a cobordism invariant, and in particular is given by some linear combination of its Pontryagin numbers. For example, in four dimensions, it is
Linear system (2,059 words) [view diff] exact match in snippet view article find links to article
The superposition principle means that a linear combination of inputs to the system produces a linear combination of the individual zero-state outputs (that
Representer theorem (2,800 words) [view diff] exact match in snippet view article find links to article
a reproducing kernel Hilbert space can be represented as a finite linear combination of kernel products evaluated on the input points in the training set
List of inequalities (709 words) [view diff] exact match in snippet view article find links to article
inequality Eaton's inequality, a bound on the largest absolute value of a linear combination of bounded random variables Emery's inequality Entropy power inequality
Polynomially reflexive space (464 words) [view diff] exact match in snippet view article find links to article
finite-dimensional linear space, a quadratic form x↦f(x) is always a (finite) linear combination of products x↦g(x) h(x) of two linear functionals g and h. Therefore
Covariant transformation (2,560 words) [view diff] exact match in snippet view article find links to article
basis. The transformation that describes the new basis vectors as a linear combination of the old basis vectors is defined as a covariant transformation
Trigonometric interpolation (2,490 words) [view diff] exact match in snippet view article find links to article
t_{k}(x_{k})=1} and that t k ( x ) {\displaystyle t_{k}(x)} is a linear combination of the right powers of e i x {\displaystyle e^{ix}} . Upon using the
Quadratic Gauss sum (1,669 words) [view diff] exact match in snippet view article find links to article
of roots of unity. A quadratic Gauss sum can be interpreted as a linear combination of the values of the complex exponential function with coefficients
Prescott Durand Crout (182 words) [view diff] case mismatch in snippet view article find links to article
Rutledge) was entitled "The Approximation of Functions and Integrals by a Linear Combination of Functions".On January 2, 1933 he married Charlotte Louise Zander
Fundamental representation (475 words) [view diff] exact match in snippet view article find links to article
such that any dominant integral weight is a non-negative integer linear combination of the fundamental weights. The corresponding irreducible representations
Schur's theorem (851 words) [view diff] exact match in snippet view article find links to article
of ways for expressing a given number as a (non-negative, integer) linear combination of a fixed set of relatively prime numbers. In particular, if { a
Glossary of Lie groups and Lie algebras (3,110 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \Delta } is a root of Φ {\displaystyle \Phi } which is a linear combination of elements of Δ {\displaystyle \Delta } with nonnegative coefficients
MORE protocol (445 words) [view diff] exact match in snippet view article find links to article
packets are called "native packets". The source node then creates a linear combination of K packets and forwards them. The code vector represents the random
Gausson (physics) (627 words) [view diff] exact match in snippet view article
of the Logarithmic Schrödinger equation, it has been found that a linear combination of Gaussons can very accurately approximate excited states as well
D electron count (1,701 words) [view diff] exact match in snippet view article find links to article
(n − 1)d in the representation of atomic orbitals (AOs) – is used in a linear combination with the ligand orbitals, forming a very stable bonding orbital with
Annihilator method (1,350 words) [view diff] exact match in snippet view article find links to article
construct a system of equations restricting the coefficients of the linear combination to satisfy the ODE. This method is not as general as variation of
Skolem problem (578 words) [view diff] exact match in snippet view article find links to article
recurrence relation expresses the values of a sequence of numbers as a linear combination of earlier values; for instance, the Fibonacci numbers may be defined
Freudenthal spectral theorem (493 words) [view diff] exact match in snippet view article find links to article
p_{2},\ldots ,p_{n}} are pairwise disjoint components of e, any real linear combination of p 1 , p 2 , … , p n {\displaystyle p_{1},p_{2},\ldots ,p_{n}} is
Tensor operator (9,007 words) [view diff] exact match in snippet view article find links to article
eigenstate can be decomposed into a linear combination of the initial eigenstates: the coefficients in the linear combination consist of Wigner rotation matrix
Multivariate analysis of covariance (950 words) [view diff] exact match in snippet view article find links to article
the characterisation of differences in group means in regards to a linear combination of multiple dependent variables, while simultaneously controlling
Binomial coefficient (10,790 words) [view diff] exact match in snippet view article find links to article
polynomial p(t) of degree at most d is uniquely expressible as a linear combination ∑ k = 0 d a k ( t k ) {\textstyle \sum _{k=0}^{d}a_{k}{\binom {t}{k}}}
Stokes phenomenon (1,323 words) [view diff] exact match in snippet view article find links to article
linear combination of the functions e ± 2 3 x 3 / 2 x 1 / 4 . {\displaystyle {\frac {e^{\pm {\frac {2}{3}}x^{3/2}}}{x^{1/4}}}.} However, the linear combination
Electroweak interaction (3,602 words) [view diff] exact match in snippet view article find links to article
degrees of freedom. The electric charge arises as the particular linear combination (nontrivial) of YW (weak hypercharge) and the T3 component of weak
Residue depth (699 words) [view diff] exact match in snippet view article find links to article
is predicting the pKa of an ionizable group. The pKa equation is a linear combination of a few features, including: depth, number of hydrogen bond, electrostatic
K-SVD (1,308 words) [view diff] exact match in snippet view article find links to article
the target of the k-SVD algorithm is to represent the signal as a linear combination of atoms in D {\displaystyle D} . The k-SVD algorithm follows the
Gaussian process (5,933 words) [view diff] exact match in snippet view article find links to article
variables is again Gaussian distributed, that is the same as saying every linear combination of ( X t 1 , … , X t k ) {\displaystyle (X_{t_{1}},\ldots ,X_{t_{k}})}
STO-nG basis sets (885 words) [view diff] exact match in snippet view article find links to article
{\displaystyle l} is the angular momentum quantum number, is approximated by a linear combination of n {\displaystyle n} primitive GTOs ϕ l α m j {\displaystyle \phi
Regression validation (1,117 words) [view diff] exact match in snippet view article find links to article
measures a type of normalized prediction error and its distribution is a linear combination of χ2 variables of degree 1. All models are wrong Model selection
Analog signal processing (1,621 words) [view diff] exact match in snippet view article find links to article
two corresponding outputs, if you take a linear combination of those two inputs you will get a linear combination of the outputs. An example of a linear
Shogun (toolbox) (468 words) [view diff] exact match in snippet view article
consisting of a linear combination of arbitrary kernels over different domains. The coefficients or weights of the linear combination can be learned as
Wold's theorem (810 words) [view diff] exact match in snippet view article find links to article
"deterministic" time series, in the sense that it is completely determined as a linear combination of its past values (see e.g. Anderson (1971) Ch. 7, Section 7.6.3
Squeezed coherent state (5,805 words) [view diff] exact match in snippet view article find links to article
below that of the ground state for one of the operators or for a linear combination of the two. The idea behind this is that the circle denoting the uncertainty
Trading strategy (1,209 words) [view diff] exact match in snippet view article find links to article
strategy consists of identifying similar pairs of stocks and taking a linear combination of their price so that the result is a stationary time-series. We
Vibration of a circular membrane (2,502 words) [view diff] exact match in snippet view article find links to article
K=-\lambda ^{2}} for convenience. Then, T ( t ) {\displaystyle T(t)} is a linear combination of sine and cosine functions, T ( t ) = A cos ⁡ c λ t + B sin ⁡ c
Multiple kernel learning (2,856 words) [view diff] exact match in snippet view article find links to article
use a predefined set of kernels and learn an optimal linear or non-linear combination of kernels as part of the algorithm. Reasons to use multiple kernel
Transcendental number (6,806 words) [view diff] exact match in snippet view article find links to article
is a linear combination of powers t j {\displaystyle t^{j}} with integer coefficients. Hence the number P {\displaystyle P} is a linear combination (with
Inverse magnetostrictive effect (1,235 words) [view diff] exact match in snippet view article find links to article
be defined by a known linear combination of these two constants. For instance, the elongation along [110] is a linear combination of λ 100 {\displaystyle
Differential operator (3,693 words) [view diff] exact match in snippet view article find links to article
simple ring. Every element can be written in a unique way as a R-linear combination of monomials of the form X a D b  mod  I {\displaystyle X^{a}D^{b}{\text{
Self-concordant function (4,403 words) [view diff] no match in snippet view article find links to article
A self-concordant function is a function satisfying a certain differential inequality, which makes it particularly easy for optimization using Newton's
Killing vector field (4,724 words) [view diff] exact match in snippet view article find links to article
complete set of generators for the algebra. They are not unique: any linear combination of these three fields is still a Killing field. There are several
Ab initio quantum chemistry methods (2,538 words) [view diff] exact match in snippet view article find links to article
Born–Oppenheimer approximation). The many-electron function is generally a linear combination of many simpler electron functions with the dominant function being
Ab initio quantum chemistry methods (2,538 words) [view diff] exact match in snippet view article find links to article
Born–Oppenheimer approximation). The many-electron function is generally a linear combination of many simpler electron functions with the dominant function being
Semiclassical gravity (753 words) [view diff] exact match in snippet view article find links to article
\nu \rho \sigma }\,d^{d}x,} but in four dimensions this term is a linear combination of the other two terms and a surface term. See Gauss–Bonnet gravity
Regular graph (1,017 words) [view diff] exact match in snippet view article find links to article
J_{ij}=1} , is in the adjacency algebra of the graph (meaning it is a linear combination of powers of A). Let G be a k-regular graph with diameter D and eigenvalues
Propagation of uncertainty (4,020 words) [view diff] exact match in snippet view article find links to article
\sigma _{f}={\frac {\sigma }{\sqrt {n}}}.} When f is a set of non-linear combination of the variables x, an interval propagation could be performed in
Basket option (632 words) [view diff] exact match in snippet view article find links to article
series. This however conflicts with a fact that an average (or any linear combination) of assets with lognormal distribution does not follow lognormal distribution
Position (geometry) (1,215 words) [view diff] exact match in snippet view article
n-dimensional position vector. A position vector can be expressed as a linear combination of basis vectors: r = ∑ i = 1 n x i e i = x 1 e 1 + x 2 e 2 + ⋯ +
Flipped SU(5) (1,403 words) [view diff] exact match in snippet view article
U(1)χ varies from article/book to article. The hypercharge Y/2 is a linear combination (sum) of the following: ( 1 15 0 0 0 0 0 1 15 0 0 0 0 0 1 15 0 0 0
Spectral invariants (401 words) [view diff] exact match in snippet view article find links to article
be represented by a cycle in the Floer chain complex, formally a linear combination α H = a 1 x 1 + a 2 x 2 + ⋯ {\displaystyle \alpha _{H}=a_{1}x_{1}+a_{2}x_{2}+\cdots
Shrinkage Fields (image restoration) (828 words) [view diff] exact match in snippet view article
}{2}}{\left(v-{\mu }_{j}\right)}^{2}\right)} is directly modeled as a linear combination of radial basis function kernels, where γ {\displaystyle \gamma }
Mooney–Rivlin solid (3,278 words) [view diff] exact match in snippet view article find links to article
where the strain energy density function W {\displaystyle W\,} is a linear combination of two invariants of the left Cauchy–Green deformation tensor B {\displaystyle
Hilbert's basis theorem (1,846 words) [view diff] exact match in snippet view article find links to article
{\displaystyle a\in {\mathfrak {b}}} , so a {\displaystyle a} is a left linear combination a = ∑ j u j a j {\displaystyle a=\sum _{j}u_{j}a_{j}} of the coefficients
Plane wave (1,123 words) [view diff] exact match in snippet view article find links to article
linear or not, applied to a plane wave yields a plane wave. Any linear combination of plane waves with the same normal vector n → {\displaystyle {\vec
Variational method (quantum mechanics) (2,033 words) [view diff] exact match in snippet view article
derivatives of ε over all αi is not sufficient. If ψ(α) is expressed as a linear combination of other functions (αi being the coefficients), as in the Ritz method
Luma (video) (827 words) [view diff] exact match in snippet view article
SMPTE C, or Rec. 709). For the Rec. 709 (and sRGB) primaries, the linear combination, based on pure colorimetric considerations and the definition of relative
Petrov–Galerkin method (890 words) [view diff] exact match in snippet view article find links to article
allows us to numerically compute v n {\displaystyle v_{n}} as a finite linear combination of the basis vectors in V n {\displaystyle V_{n}} . The key property
Spectral theorem (3,852 words) [view diff] exact match in snippet view article find links to article
obtains an orthonormal basis of eigenvectors. A can be written as a linear combination of pairwise orthogonal projections, called its spectral decomposition
Color vision (7,954 words) [view diff] exact match in snippet view article find links to article
colors that are spectral, since a linear combination of spectral colors will be matched by the same linear combination of their (IS, IM, IL) matches. Note
FLAME clustering (617 words) [view diff] exact match in snippet view article find links to article
Memberships, in which the fuzzy membership of each object is updated by a linear combination of the fuzzy memberships of its nearest neighbors. Cluster construction
Garnir relations (876 words) [view diff] exact match in snippet view article find links to article
said to not have any column descents. We want to express eS as a linear combination of standard polytabloids, i.e. polytabloids associated to standard
List of convexity topics (1,173 words) [view diff] exact match in snippet view article find links to article
with applications in convex minimization. Convex combination - a linear combination of points where all coefficients are non-negative and sum to 1. All
Root system (6,237 words) [view diff] exact match in snippet view article find links to article
properties: Every root α ∈ Φ {\displaystyle \alpha \in \Phi } is a linear combination of elements of Δ {\displaystyle \Delta } with integer coefficients
Bogomol'nyi–Prasad–Sommerfield bound (2,645 words) [view diff] exact match in snippet view article find links to article
{\displaystyle P_{\mu }=(M,0,0,0)} ) and Z {\displaystyle Z} is a linear combination of the central charges. This inequality is the BPS bound. States that
Nonlinear dimensionality reduction (6,119 words) [view diff] exact match in snippet view article find links to article
set of weights for each point that best describes the point as a linear combination of its neighbors. Finally, it uses an eigenvector-based optimization
Banach–Alaoglu theorem (8,297 words) [view diff] exact match in snippet view article find links to article
of observables, namely that any state can be written as a convex linear combination of so-called pure states. According to Lawrence Narici and Edward
Trapped surface (610 words) [view diff] exact match in snippet view article find links to article
spacetime. It follows that any normal vector can be expressed as a linear combination of two future directed null vectors, normalised by: k+ · k− = −2 The
Landé interval rule (1,307 words) [view diff] exact match in snippet view article find links to article
} , which is a linear combination of various | L m L S m S ⟩ {\displaystyle \vert Lm_{L}Sm_{S}\rangle } . The exact linear combination, however, is unnecessary
Graph property (1,182 words) [view diff] exact match in snippet view article find links to article
the number of edges Number of connected components Circuit rank, a linear combination of the numbers of edges, vertices, and components diameter, the longest
Hyperplane (1,381 words) [view diff] no match in snippet view article find links to article
define decision boundaries in many machine learning algorithms such as linear-combination (oblique) decision trees, and perceptrons. In a vector space, a vector
Adams operation (448 words) [view diff] exact match in snippet view article find links to article
result of any Adams operation is naturally a vector bundle, not a linear combination of ones in K-theory. Treating the line bundle direct factors formally
Euclidean space (6,967 words) [view diff] exact match in snippet view article find links to article
bilinearity of the inner product, this squared norm can be expanded into a linear combination of ‖ f ( x ) ‖ 2 , {\displaystyle \|f(x)\|^{2},} ‖ f ( y ) ‖ 2 , {\displaystyle
Gell-Mann matrices (1,407 words) [view diff] exact match in snippet view article find links to article
}^{\gamma }~.} One may prefer the recast version, resulting from a linear combination of the above, λ β α ⋅ λ δ γ = 2 δ δ α δ β γ − 2 3 δ β α δ δ γ   .
Ordinary least squares (9,098 words) [view diff] exact match in snippet view article find links to article
meaning that it represents a linear combination of the dependent variables yi. The weights in this linear combination are functions of the regressors
S-box (929 words) [view diff] exact match in snippet view article find links to article
modifications to an S-box could significantly weaken DES. Any S-box where any linear combination of output bits is produced by a bent function of the input bits is
Bôcher's theorem (283 words) [view diff] exact match in snippet view article find links to article
punctured domain (an open domain minus one point in the interior) is a linear combination of a harmonic function in the unpunctured domain with a scaled fundamental
Hodge theory (4,339 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \mathbb {Z} } -linear combination of classes of complex subvarieties of X {\displaystyle X} . (Such a linear combination is called an algebraic
Ordinary least squares (9,098 words) [view diff] exact match in snippet view article find links to article
meaning that it represents a linear combination of the dependent variables yi. The weights in this linear combination are functions of the regressors
Covariance function (582 words) [view diff] exact match in snippet view article find links to article
 Y(x2))). For locations x1, x2, ..., xN ∈ D the variance of every linear combination X = ∑ i = 1 N w i Z ( x i ) {\displaystyle X=\sum _{i=1}^{N}w_{i}Z(x_{i})}
Dedekind eta function (3,047 words) [view diff] exact match in snippet view article find links to article
as a linear combination of eta-quotients in Mk′(Γ0(N)) and then divide out by ηg. The result will be an expression of f as a linear combination of eta
Sierpiński set (334 words) [view diff] exact match in snippet view article find links to article
(Sα + X)/n for α < β, where n is a positive integer and X is an integral linear combination of the numbers xα for α < β. Then the group generated by these numbers
Positive-definite function (1,175 words) [view diff] exact match in snippet view article find links to article
definite, the cosine function is positive definite as a nonnegative linear combination of the above functions: cos ⁡ ( x ) = 1 2 ( e i x + e − i x ) = 1
Eta and eta prime mesons (1,078 words) [view diff] exact match in snippet view article find links to article
mixing angle θP = −11.5°), so that the actual quark composition is a linear combination of these formulae. That is: ( cos ⁡ θ P − sin ⁡ θ P sin ⁡ θ P    
Loop integral (1,444 words) [view diff] exact match in snippet view article find links to article
appearing in one-loop renormalization of QED or QCD may be written as a linear combination of terms in the form ∫ d d k ( 2 π ) d k μ 1 ⋯ k μ n ( ( k + q 1 )
Exponential polynomial (615 words) [view diff] exact match in snippet view article find links to article
functions and exponentials is called an exponential monomial, and a linear combination of these is then an exponential polynomial on G. Ritt's theorem states
Categorification (1,046 words) [view diff] exact match in snippet view article find links to article
the product a i a j {\displaystyle a_{i}a_{j}} decomposes as the linear combination of basis elements a k {\displaystyle a_{k}} . Combinatorial proof
Dimensionality reduction (2,248 words) [view diff] exact match in snippet view article find links to article
in statistics, pattern recognition, and machine learning to find a linear combination of features that characterizes or separates two or more classes of
Lie's theorem (2,649 words) [view diff] exact match in snippet view article find links to article
are linearly dependent, v ℓ + 1 {\displaystyle v_{\ell +1}} is a linear combination of v 0 , … , v ℓ {\displaystyle v_{0},\ldots ,v_{\ell }} . Applying
Rectangle (2,193 words) [view diff] exact match in snippet view article find links to article
rectangular cuboid, with a unique minimal surface interior defined as a linear combination of the four vertices, creating a saddle surface. This example shows
Digital filter (3,689 words) [view diff] exact match in snippet view article find links to article
if an input is a weighted linear combination of different signals, the output is a similarly weighted linear combination of the corresponding output
SIESTA (computer program) (1,112 words) [view diff] exact match in snippet view article
codes).[citation needed] Efficient parallelization. The use of a linear combination of numerical atomic orbitals makes SIESTA a DFT code. SIESTA can produce
Sigmoid function (2,089 words) [view diff] exact match in snippet view article find links to article
Wikimedia Commons has media related to Sigmoid functions. Step function – Linear combination of indicator functions of real intervals Sign function – Function
Trace (linear algebra) (5,559 words) [view diff] exact match in snippet view article
pair of matrices. Conversely, any square matrix with zero trace is a linear combination of the commutators of pairs of matrices. Moreover, any square matrix
Quantum statistical mechanics (2,036 words) [view diff] exact match in snippet view article find links to article
2-dimensional. An arbitrary state for a qubit can be written as a linear combination of the Pauli matrices, which provide a basis for 2 × 2 {\displaystyle
Asset pricing (1,085 words) [view diff] exact match in snippet view article find links to article
recognize that since the price of a security can be returned as a linear combination of its state prices (contingent claim analysis) so, conversely, pricing-
Dragon curve (1,577 words) [view diff] exact match in snippet view article find links to article
obtained the set of solutions to a linear differential equation, any linear combination of the solutions will, because of the superposition principle, also
Algebraic independence (946 words) [view diff] exact match in snippet view article find links to article
coefficients within each column to assign each matroid element a linear combination of these transcendentals. The converse is false: not every algebraic
John C. Slater (8,042 words) [view diff] exact match in snippet view article find links to article
Slater type orbitals (STOs) and atomic shielding constants, 1931: linear combination of atomic orbitals, van der Waals forces (with Jack Kirkwood, as a
Dirac–Kähler equation (1,677 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \Phi =\sum _{H}\Phi _{H}(x)dx_{H},} is written as a linear combination of sixteen basis forms indexed by H {\displaystyle H} , which runs
Electronic correlation (1,544 words) [view diff] exact match in snippet view article find links to article
Hartree–Fock wavefunction as the ground determinant, one takes a linear combination of the ground and excited determinants Φ I {\displaystyle \Phi _{I}}
Inverse-gamma distribution (1,632 words) [view diff] case mismatch in snippet view article find links to article
2021-04-13. Witkovsky, V. (2001). "Computing the Distribution of a Linear Combination of Inverted Gamma Variables". Kybernetika. 37 (1): 79–90. MR 1825758
Kriging (6,063 words) [view diff] exact match in snippet view article find links to article
unobserved location x 0 {\displaystyle x_{0}} , is calculated from a linear combination of the observed values z i = Z ( x i ) {\displaystyle z_{i}=Z(x_{i})}
Chain (disambiguation) (1,089 words) [view diff] exact match in snippet view article
given partially ordered set Chain (algebraic topology), a formal linear combination of k-simplices Chain complex, a generalization of the algebraic topology
Integer relation algorithm (1,082 words) [view diff] exact match in snippet view article find links to article
such as e, π and ln(2), which will lead to an expression for x as a linear combination of these constants. A typical approach in experimental mathematics
Chebyshev equation (444 words) [view diff] exact match in snippet view article find links to article
{(p-3)(p-1)(p+1)(p+3)}{5!}}x^{5}-\cdots .} The general solution is any linear combination of these two. When p is a non-negative integer, one or the other of
Investment strategy (1,585 words) [view diff] exact match in snippet view article find links to article
that consists of identifying similar pairs of stocks and taking a linear combination of their price so that the result is a stationary time-series. Investors
Riesz–Markov–Kakutani representation theorem (1,121 words) [view diff] exact match in snippet view article find links to article
showing that a bounded linear functional can be written as a finite linear combination of positive ones. In its original form by Frigyes Riesz (1909) the
Amplitude amplification (1,667 words) [view diff] exact match in snippet view article find links to article
can do this by decomposing | s ⟩ {\displaystyle |s\rangle } into a linear combination of | ψ 1 ⟩ {\displaystyle |\psi _{1}\rangle } and | ψ 2 ⟩ {\displaystyle
Principal ideal domain (1,461 words) [view diff] exact match in snippet view article find links to article
domain if and only if any two elements in it have a gcd that is a linear combination of the two. A Bézout domain is thus a GCD domain, and (4) gives yet
Characteristic function (probability theory) (5,208 words) [view diff] exact match in snippet view article
, an are some constants, then the characteristic function of the linear combination of the Xi variables is φ a 1 X 1 + ⋯ + a n X n ( t ) = φ X 1 ( a 1
Composite video (1,638 words) [view diff] exact match in snippet view article find links to article
line and frame synchronization pulses. The color video signal is a linear combination of the luminance (Y) of the picture and a chrominance subcarrier which
Skellam distribution (1,738 words) [view diff] exact match in snippet view article find links to article
variables are again Skellam-distributed. It is sometimes claimed that any linear combination of two Skellam distributed variables are again Skellam-distributed
Covariance matrix (5,804 words) [view diff] exact match in snippet view article find links to article
generalized variance. Applied to one vector, the covariance matrix maps a linear combination c of the random variables X onto a vector of covariances with those
Square lattice Ising model (2,664 words) [view diff] exact match in snippet view article find links to article
usual Ising basis, acting on any linear combination of past configurations, it produces the same linear combination but with the spin at position i of
Kosambi–Karhunen–Loève theorem (10,719 words) [view diff] exact match in snippet view article find links to article
states that a stochastic process can be represented as an infinite linear combination of orthogonal functions, analogous to a Fourier series representation
Quantum spin tunneling (1,548 words) [view diff] exact match in snippet view article find links to article
tunneling, an energy splitting between the bonding and anti-bonding linear combination of states with opposite magnetization classical ground states arises
Point (geometry) (1,649 words) [view diff] exact match in snippet view article
is not itself linearly independent, because there is a non-trivial linear combination making it zero: 1 ⋅ 0 = 0 {\displaystyle 1\cdot \mathbf {0} =\mathbf
Walsh diagram (1,731 words) [view diff] case mismatch in snippet view article find links to article
1021/ed500813d. Chen, E.; Chang, T. (1998). "Walsh Diagram and the Linear Combination of Bond Orbital Method". Journal of Molecular Structure: THEOCHEM
Attention (machine learning) (3,575 words) [view diff] exact match in snippet view article
w. H 500×100. 100 hidden vectors h concatenated into a matrix c 500-long context vector = H * w. c is a linear combination of h vectors weighted by w.
Supnick matrix (378 words) [view diff] exact match in snippet view article find links to article
it can be written as the sum of a sum matrix S and a non-negative linear combination of LL-UR block matrices. The sum matrix is defined in terms of a sequence
Degree of a field extension (1,445 words) [view diff] exact match in snippet view article find links to article
_{n=1}^{e}\sum _{m=1}^{d}b_{m,n}(u_{m}w_{n}),} which shows that x is a linear combination of the umwn with coefficients from K; in other words they span M over
Hamiltonian simulation (1,181 words) [view diff] exact match in snippet view article find links to article
simulation. This truncated expansion is then implemented via the linear combination of unitaries (LCU) technique for Hamiltonian simulation. Namely, one
Generalized vector space model (531 words) [view diff] exact match in snippet view article find links to article
considered a new space, where each term vector ti was expressed as a linear combination of 2n vectors mr where r = 1...2n. For a document dk and a query q
Canonical singularity (649 words) [view diff] exact match in snippet view article find links to article
{\displaystyle (X,\Delta )} where Δ {\displaystyle \Delta } is a formal linear combination of prime divisors with rational coefficients such that K X + Δ {\displaystyle
Underdetermined system (824 words) [view diff] exact match in snippet view article find links to article
or is inconsistent. It is inconsistent if and only if 0 = 1 is a linear combination (with polynomial coefficients) of the equations (this is Hilbert's
Euclidean plane (1,967 words) [view diff] exact match in snippet view article find links to article
two-dimensional because every point in the plane can be described by a linear combination of two independent vectors. The dot product of two vectors A = [A1
List of color spaces and their uses (2,102 words) [view diff] exact match in snippet view article find links to article
try to separate lightness from chroma signals in an RGB input using linear combination. As the input RGB values are gamma-corrected, such a separation does
Covariant derivative (6,453 words) [view diff] exact match in snippet view article find links to article
} The last term is not tangential to M, but can be expressed as a linear combination of the tangent space base vectors using the Christoffel symbols as
Linear-feedback shift register (4,725 words) [view diff] exact match in snippet view article find links to article
problem in LFSR-based stream ciphers: Non-linear combination of several bits from the LFSR state; Non-linear combination of the output bits of two or more LFSRs
Trivium (cipher) (1,129 words) [view diff] exact match in snippet view article
bit is shifted into each of the three shift registers using a non-linear combination of taps from that and one other register; one bit of output is produced
Positive form (719 words) [view diff] exact match in snippet view article find links to article
notions of positivity. A form is called strongly positive if it is a linear combination of products of semi-positive forms, with positive real coefficients
Surface gravity (3,148 words) [view diff] exact match in snippet view article find links to article
}{\partial t}}+\Omega {\frac {\partial }{\partial \varphi }}} , the linear combination of the time translation and axisymmetry Killing vectors which is null
Conformal field theory (7,037 words) [view diff] exact match in snippet view article find links to article
_{f}(\partial _{\mu }O)(x)=\partial _{\mu }\left(\pi _{f}(O)(x)\right)} is a linear combination of ∂ μ O {\displaystyle \partial _{\mu }O} and ⁠ O {\displaystyle
Coupled cluster (4,353 words) [view diff] exact match in snippet view article find links to article
acting on | Φ 0 ⟩ {\displaystyle |\Phi _{0}\rangle } , produces a linear combination of excited determinants from the reference wave function (see section
Isaiah Andrews (710 words) [view diff] exact match in snippet view article find links to article
Economics 6, no. 1 (2015): 123–152. Andrews, Isaiah. "Conditional linear combination tests for weakly identified models." Econometrica 84, no. 6 (2016):
State-space representation (4,759 words) [view diff] exact match in snippet view article find links to article
linearly independent, i.e., no state variable can be written as a linear combination of the other state variables, or the system cannot be solved. The
Elliptic function (2,442 words) [view diff] exact match in snippet view article find links to article
f ( z + γ ) = f ( z ) {\displaystyle f(z+\gamma )=f(z)} for every linear combination γ = m ω 1 + n ω 2 {\displaystyle \gamma =m\omega _{1}+n\omega _{2}}
Theorem of the highest weight (1,103 words) [view diff] exact match in snippet view article find links to article
\mu } if λ − μ {\displaystyle \lambda -\mu } is expressible as a linear combination of positive roots with non-negative real coefficients. A weight λ
Cauchy–Euler equation (2,535 words) [view diff] exact match in snippet view article find links to article
\lambda _{2}} , the solution to L y = 0 {\displaystyle Ly=0} is a linear combination of the solutions to each of ( x D − λ 1 I ) y = 0 {\displaystyle (xD-\lambda
Adequate equivalence relation (577 words) [view diff] exact match in snippet view article find links to article
where T is any cycle such that dim T = codim Z (The intersection is a linear combination of points and we add the intersection multiplicities at each point
Digital signal processing (2,992 words) [view diff] exact match in snippet view article find links to article
design and analyze analog IIR filters. A signal is represented as linear combination of its previous samples. Coefficients of the combination are called
Hurwitz zeta function (4,190 words) [view diff] exact match in snippet view article find links to article
rational arguments the Hurwitz zeta function may be expressed as a linear combination of Dirichlet L-functions and vice versa: The Hurwitz zeta function
Convolutional sparse coding (6,082 words) [view diff] exact match in snippet view article find links to article
signal x ∈ R N {\textstyle \mathbf {x} \in \mathbb {R} ^{N}} as a linear combination of a few atoms in the redundant dictionary D ∈ R N × M , M ≫ N {\textstyle
Hurwitz zeta function (4,190 words) [view diff] exact match in snippet view article find links to article
rational arguments the Hurwitz zeta function may be expressed as a linear combination of Dirichlet L-functions and vice versa: The Hurwitz zeta function
Hurwitz problem (573 words) [view diff] exact match in snippet view article find links to article
the z being bilinear forms in the x and y: that is, each z is a K-linear combination of terms of the form xi yj.: 127  We call a triple ( r , s , n ) {\displaystyle
Binomial regression (2,055 words) [view diff] exact match in snippet view article find links to article
}}=g({\boldsymbol {\eta }})\,.} Here η is an intermediate variable representing a linear combination, containing the regression parameters, of the explanatory variables
Deuterium (8,816 words) [view diff] exact match in snippet view article find links to article
Therefore, the quantum state of the deuterium is a superposition (a linear combination) of the s = 1, l = 0 state and the s = 1, l = 2 state, even though
Rado's theorem (Ramsey theory) (606 words) [view diff] exact match in snippet view article
C_{i}}c_{j}} , then s1 = 0 for all i ≥ 2, si can be written as a rational linear combination of the cj's in all the Ck with k < i. This means that si is in the
Hypergeometric function (6,920 words) [view diff] exact match in snippet view article find links to article
b; c; z). Gauss showed that 2F1(a, b; c; z) can be written as a linear combination of any two of its contiguous functions, with rational coefficients
Hugo Hadwiger (1,163 words) [view diff] exact match in snippet view article find links to article
According to this theorem, any such valuation can be expressed as a linear combination of the intrinsic volumes; for instance, in two dimensions, the intrinsic
Semisimple Lie algebra (5,743 words) [view diff] exact match in snippet view article find links to article
h ∗ {\displaystyle {\mathfrak {h}}^{*}} such that each root is a linear combination of α 1 , … , α l {\displaystyle \alpha _{1},\dots ,\alpha _{l}} with
Tensor contraction (1,888 words) [view diff] exact match in snippet view article find links to article
corresponding dual basis). Since a general mixed dyadic tensor is a linear combination of decomposable tensors of the form f ⊗ v {\displaystyle f\otimes
Killing horizon (859 words) [view diff] exact match in snippet view article find links to article
whilst inside it is spacelike. Furthermore, considering a particular linear combination of ∂ / ∂ t {\displaystyle \partial /\partial t} and ∂ / ∂ ϕ {\displaystyle
Tangent space (3,174 words) [view diff] exact match in snippet view article find links to article
x^{i}}}\right|_{p}.} This formula therefore expresses v {\displaystyle v} as a linear combination of the basis tangent vectors ∂ ∂ x i | p ∈ T p M {\textstyle \left
Fibonacci group (804 words) [view diff] exact match in snippet view article find links to article
for all but finitely many g ∈ G {\displaystyle g\in G} so that the linear combination is finite. The (size of the) support of an element a = ∑ g λ g g {\displaystyle
Bayesian interpretation of kernel regularization (2,778 words) [view diff] exact match in snippet view article find links to article
{\mathcal {H}}_{k}} . 2. Functions in an RKHS are in the closure of the linear combination of the kernel at given points, f ( x ) = ∑ i k ( x i , x ) c i {\displaystyle
Linear prediction (1,306 words) [view diff] exact match in snippet view article find links to article
algorithms. For equally-spaced values, a polynomial interpolation is a linear combination of the known values. If the discrete time signal is estimated to obey
Mixed volume (926 words) [view diff] exact match in snippet view article find links to article
under rigid motions of R n {\displaystyle \mathbb {R} ^{n}} is a linear combination of the quermassintegrals (or, equivalently, of the intrinsic volumes)
Rank of an abelian group (1,132 words) [view diff] exact match in snippet view article find links to article
of an abelian group A is linearly independent (over Z) if the only linear combination of these elements that is equal to zero is trivial: if ∑ α n α a α
Flat-field correction (1,156 words) [view diff] exact match in snippet view article find links to article
posterior to the actual scan, eigen flat fields can be computed. A linear combination of the most important eigen flat fields can then be used to individually
Tensor (9,437 words) [view diff] exact match in snippet view article find links to article
space V with the space V∗ by first decomposing the tensor into a linear combination of simple tensors, and then applying a factor from V∗ to a factor
Arakelov theory (1,845 words) [view diff] exact match in snippet view article find links to article
\mathbb {C} } . Using this data, one can define a c-divisor as a formal linear combination D = ∑ i k i C i + ∑ ∞ λ ∞ X ∞ {\displaystyle D=\sum _{i}k_{i}C_{i}+\sum
Green–Schwarz mechanism (625 words) [view diff] exact match in snippet view article find links to article
in SUSY D = 10 gauge theory is the hexagon which has a particular linear combination of the two-form gauge field strength and Ricci tensor, F 6 ,   F 4
Toral subalgebra (504 words) [view diff] exact match in snippet view article find links to article
{\displaystyle -\lambda y=\operatorname {ad} _{\mathfrak {h}}(y)x} is a linear combination of eigenvectors of ad h ⁡ ( y ) {\displaystyle \operatorname {ad}
Metric tensor (general relativity) (2,490 words) [view diff] exact match in snippet view article
coordinate fields x μ {\displaystyle x^{\mu }} . The metric is thus a linear combination of tensor products of one-form gradients of coordinates. The coefficients
Orthogonal wavelet (729 words) [view diff] exact match in snippet view article find links to article
sequence or scaling mask. The wavelet proper is obtained by a similar linear combination, ψ ( x ) = ∑ k = 0 M − 1 b k ϕ ( 2 x − k ) {\displaystyle \psi (x)=\sum
Mittag-Leffler star (448 words) [view diff] exact match in snippet view article find links to article
Mittag-Leffler star of ƒ at a. Each polynomial in this series is a linear combination of the first several terms in the Taylor series expansion of ƒ around a
Nearly free electron model (1,346 words) [view diff] exact match in snippet view article find links to article
m {\displaystyle m} independent plane wave solutions of which any linear combination is also a solution: ψ ∝ ∑ j = 1 m A j e i k j ⋅ r {\displaystyle \psi
Discrete Fourier transform (12,334 words) [view diff] exact match in snippet view article find links to article
eigenvectors is known. Moreover, the eigenvectors are not unique because any linear combination of eigenvectors for the same eigenvalue is also an eigenvector for
Relative luminance (1,048 words) [view diff] exact match in snippet view article find links to article
linearization of the R′G′B′ components to RGB is needed before the linear combination. Relative luminance should not be confused with luma Y ′ {\displaystyle
Organic molecular tracers (625 words) [view diff] exact match in snippet view article find links to article
an ambient air sample has particulate matter contributions from a linear combination of emission sources. If the chemical compositions of local sources
BrownBoost (1,436 words) [view diff] exact match in snippet view article find links to article
the definition of the algorithm below. The final classifier is a linear combination of weak hypotheses and is evaluated in the same manner as most other
Non-Newtonian fluid (2,010 words) [view diff] exact match in snippet view article find links to article
Examples Viscoelastic Kelvin material, Maxwell material "Parallel" linear combination of elastic and viscous effects Some lubricants, whipped cream, Silly
Fermi resonance (507 words) [view diff] exact match in snippet view article find links to article
decreases in intensity. The two transitions are describable as a linear combination of the parent modes. Fermi resonance does not lead to additional bands
Lindemann–Weierstrass theorem (4,778 words) [view diff] exact match in snippet view article find links to article
to zero, and each exponent β ( m ) {\displaystyle \beta (m)} is a linear combination of α ( i ) {\displaystyle \alpha (i)} with integer coefficients. Then
K-edge (1,405 words) [view diff] exact match in snippet view article find links to article
covalency. The VBCI model describes the ground and excited state as a linear combination of the metal-based d-state and the ligand-based charge transfer state
Laplace distribution (3,135 words) [view diff] exact match in snippet view article find links to article
For any set of independent continuous random variables, for any linear combination of those variables, its characteristic function (which uniquely determines
Hyperkähler manifold (1,682 words) [view diff] exact match in snippet view article find links to article
that a 2 + b 2 + c 2 = 1 {\displaystyle a^{2}+b^{2}+c^{2}=1\,} the linear combination a I + b J + c K {\displaystyle aI+bJ+cK\,} is a complex structures
Projector augmented wave method (1,149 words) [view diff] exact match in snippet view article find links to article
Inside the spheres, they can be any smooth continuation, such as a linear combination of polynomials or Bessel functions. The PAW method is typically combined
Experimental mathematics (1,811 words) [view diff] exact match in snippet view article find links to article
relation algorithm (such as the Inverse Symbolic Calculator) to find a linear combination of mathematical constants that matches this value. For example, the
Tate conjecture (1,191 words) [view diff] exact match in snippet view article find links to article
codimension-i subvarieties of V. An algebraic cycle means a finite linear combination of subvarieties; so an equivalent statement is that every element
Algebraic matroid (700 words) [view diff] exact match in snippet view article find links to article
coefficients within each column to assign each matroid element a linear combination of these transcendentals. For fields of characteristic zero (such
Invariant theory (2,582 words) [view diff] exact match in snippet view article find links to article
determinant. In other words, in this case, every invariant polynomial is a linear combination of powers of the determinant polynomial. So in this case, k [ V ]
Complex differential form (1,413 words) [view diff] exact match in snippet view article find links to article
k, then each element of Ek can be expressed in a unique way as a linear combination of elements from among the spaces Ωp,q with p + q = k. More succinctly
Dirichlet L-function (1,633 words) [view diff] exact match in snippet view article find links to article
iγ a non-real zero. The Dirichlet L-functions may be written as a linear combination of the Hurwitz zeta function at rational values. Fixing an integer
General number field sieve (1,911 words) [view diff] exact match in snippet view article find links to article
of f. Then, f(r) = 0, which can be rearranged to express rk as a linear combination of powers of r less than k. This equation can be used to reduce away
Elliptic curve (8,443 words) [view diff] exact match in snippet view article find links to article
+ Q2, then P2 = 2P3 + Q3, etc. finally expresses P as an integral linear combination of points Qi and of points whose height is bounded by a fixed constant
Hypercomplex number (3,213 words) [view diff] exact match in snippet view article find links to article
closed under squaring, the non-real basis element u squares to a linear combination of 1 and u: u 2 = a 0 + a 1 u {\displaystyle u^{2}=a_{0}+a_{1}u} for
Quantum number (3,258 words) [view diff] exact match in snippet view article find links to article
quantum numbers: The quantum states in the system can be described as linear combination of these 8 states. However, in the presence of spin–orbit interaction
In vivo magnetic resonance spectroscopy (4,864 words) [view diff] exact match in snippet view article find links to article
understanding of the spectrum. This quantification is achieved via linear combination. Linear combination requires knowledge of the underlying spectral shapes, referred
R (programming language) (5,990 words) [view diff] exact match in snippet view article
input parameters are x and y. # The function, named f, returns a linear combination of x and y. f <- function(x, y) { z <- 3 * x + 4 * y # An explicit
Activation function (1,963 words) [view diff] exact match in snippet view article find links to article
gradient problem. Ridge functions are multivariate functions acting on a linear combination of the input variables. Often used examples include:[clarification
Otolithic membrane (2,636 words) [view diff] exact match in snippet view article find links to article
the membrane into triangles and a computer is used to determine the linear combination of the functions that represent the displacement which solves a complex
Boosting (machine learning) (2,178 words) [view diff] exact match in snippet view article
classifier, decrease if correctly Form the final strong classifier as the linear combination of the T classifiers (coefficient larger if training error is small)
Mathematical formulation of quantum mechanics (7,911 words) [view diff] exact match in snippet view article find links to article
This is known as exchange degeneracy. More generally, consider a linear combination of such states, | Ψ ⟩ {\displaystyle |\Psi \rangle } . For the best
Companion matrix (2,500 words) [view diff] exact match in snippet view article find links to article
arbitrary solution a k {\displaystyle a_{k}} can be written as a linear combination of such geometric solutions, and the eigenvalues of largest complex
CIE 1931 color space (7,858 words) [view diff] exact match in snippet view article find links to article
wavelength. The fact that the luminance function could be constructed by a linear combination of the RGB color matching functions was not guaranteed by any means
Pontryagin class (1,906 words) [view diff] exact match in snippet view article find links to article
expressed through Pontryagin numbers. For the theorem describing the linear combination of Pontryagin numbers giving the signature see Hirzebruch signature
Oja's rule (1,712 words) [view diff] exact match in snippet view article find links to article
a simplified model of a neuron y {\displaystyle y} that returns a linear combination of its inputs x using presynaptic weights w: y ( x )   =   ∑ j = 1
Two-dimensional conformal field theory (5,674 words) [view diff] exact match in snippet view article find links to article
conformal symmetry. Any correlation function can be written as a linear combination of conformal blocks: functions that are determined by conformal symmetry
Topological tensor product (1,784 words) [view diff] exact match in snippet view article find links to article
x y {\displaystyle f(x,y)=e^{xy}} cannot be expressed as a finite linear combination of smooth functions in C ∞ ( R x ) ⊗ C ∞ ( R y ) . {\displaystyle
Affine geometry of curves (800 words) [view diff] exact match in snippet view article find links to article
&\dots ,&{\mathbf {x} }^{(n+1)}\end{bmatrix}}} so that x(n+1) is a linear combination of x′, …, x(n−1). Consider the matrix A = [ x ˙ , x ¨ , … , x ( n
Total derivative (2,706 words) [view diff] exact match in snippet view article find links to article
direction. The total derivative d f a {\displaystyle df_{a}} is a linear combination of linear functionals and hence is itself a linear functional. The
Loop quantum gravity (16,603 words) [view diff] exact match in snippet view article find links to article
Poisson brackets of the three-metric and its conjugate momentum with a linear combination of the spatial diffeomorphism and Hamiltonian constraint. The vanishing
Exterior derivative (3,310 words) [view diff] exact match in snippet view article find links to article
extended linearly to a general k-form (which is expressible as a linear combination of basic simple k {\displaystyle k} -forms) ω = f I d x I , {\displaystyle
Surface states (4,112 words) [view diff] exact match in snippet view article find links to article
functions must be Bloch waves here. The solution in the crystal is then a linear combination of an incoming wave and a wave reflected from the surface. For z>0
Quantum field theory (14,795 words) [view diff] exact match in snippet view article find links to article
{a}}^{\dagger }} : and any state of the system can be expressed as a linear combination of the states | n ⟩ ∝ ( a ^ † ) n | 0 ⟩ . {\displaystyle |n\rangle
Gaussian orbital (1,616 words) [view diff] exact match in snippet view article find links to article
functions for a given angular quantum number. To address this, a linear combination of two d-type GTOs can be used to reproduce a canonical d function
Clifford algebra (9,278 words) [view diff] exact match in snippet view article find links to article
}e_{3}+a_{5}e_{1}e_{3}+a_{6}e_{1}e_{2}+a_{7}e_{1}e_{2}e_{3}.} The linear combination of the even degree elements of Cl3,0(R) defines the even subalgebra
Intersection theory (2,217 words) [view diff] exact match in snippet view article find links to article
proper, i.e. dim(A ∩ B) = dim A + dim B − dim X, then A · B is a linear combination of the irreducible components of A ∩ B, with coefficients the intersection
Parallel coordinates (1,640 words) [view diff] exact match in snippet view article find links to article
Scaling is necessary because the plot is based on interpolation (linear combination) of consecutive pairs of variables. Therefore, the variables must
Non-negative matrix factorization (7,783 words) [view diff] exact match in snippet view article find links to article
multiplication above it follows that each column in the product matrix WH is a linear combination of the 10 column vectors in the features matrix W with coefficients
Investment management (4,674 words) [view diff] exact match in snippet view article find links to article
a custom benchmark for each portfolio to be developed, using the linear combination of style indices that best replicate portfolio style allocation, and
Extended X-ray absorption fine structure (2,101 words) [view diff] exact match in snippet view article find links to article
XANES spectra of an unknown sample to those of known "standards". Linear combination fitting of several different standard spectra can give an estimate
Dual linear program (4,290 words) [view diff] exact match in snippet view article find links to article
a linear combination of the constraints, with positive coefficients, such that the coefficients of x in the constraints are at least cT. This linear combination
Sea ice concentration (1,343 words) [view diff] exact match in snippet view article find links to article
signatures and 2. the radiometric signature at the instrument head is a linear combination of that of the different surface types, with the weights taking on
Normal mode (3,275 words) [view diff] exact match in snippet view article find links to article
is the Planck constant. Thus a system like an atom consists of a linear combination of modes of definite energy. These energies are characteristic of
Cosmic microwave background (13,059 words) [view diff] exact match in snippet view article find links to article
have had the foregrounds removed as far as possible: the "internal linear combination" map of the WMAP collaboration and a similar map prepared by Max Tegmark
Radial basis function (1,831 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \mathbf {x} } in the domain are approximated by the linear combination of RBFs: The derivatives are approximated as such: where N {\displaystyle
Three-dimensional space (4,825 words) [view diff] exact match in snippet view article find links to article
three-dimensional because every point in space can be described by a linear combination of three independent vectors. A vector can be pictured as an arrow
Elliptical distribution (1,744 words) [view diff] exact match in snippet view article find links to article
distributed, then so is DX for any matrix D with full row rank. Thus any linear combination of the components of X is elliptical (though not necessarily with
Abel–Jacobi map (2,023 words) [view diff] exact match in snippet view article find links to article
\nolimits _{i}n_{i}p_{i}} is a divisor (meaning a formal integer-linear combination of points of C). We can define u ( D ) = ∑ i n i u ( p i ) {\displaystyle
Verma module (4,330 words) [view diff] exact match in snippet view article find links to article
{\displaystyle ZY_{\alpha _{i_{1}}}\cdots Y_{\alpha _{i_{M}}}} as a linear combination of products of Lie algebra elements with the raising operators X α
Wai-Yim Ching (1,155 words) [view diff] exact match in snippet view article find links to article
Electronic Structure Method for Complex Materials: The orthogonalized linear combination of atomic orbitals. The Magnetism of Amorphous Metals and Alloys.
Plücker matrix (2,114 words) [view diff] exact match in snippet view article find links to article
}.} Two arbitrary distinct points on the line can be written as a linear combination of A {\displaystyle \mathbf {A} } and B {\displaystyle \mathbf {B}
Kummer sum (1,068 words) [view diff] exact match in snippet view article find links to article
{\displaystyle K(n,p)=\sum _{x=1}^{p}e(nx^{3}/p)} is easily seen to be a linear combination of the Kummer sums. In fact it is 3P where P is one of the Gaussian
Variational quantum eigensolver (2,390 words) [view diff] exact match in snippet view article find links to article
states are discarded (finite-dimensional space), it would consist of a linear combination of Pauli strings P ^ i {\displaystyle {\hat {P}}_{i}} consisting of
Separation of variables (3,402 words) [view diff] exact match in snippet view article find links to article
respect to x {\displaystyle x} , we can write this function as a linear combination of the f λ {\displaystyle f_{\lambda }} . In particular, we know the
Wave equation (10,780 words) [view diff] exact match in snippet view article find links to article
equation can be quite complicated. Still, it can be analyzed as a linear combination of simple solutions that are sinusoidal plane waves with various directions
Georgi–Glashow model (4,583 words) [view diff] exact match in snippet view article find links to article
Hooft–Polyakov monopoles. Because the electromagnetic charge Q is a linear combination of some SU(2) generator with ⁠Y/2⁠, these monopoles also have quantized
Fourier transform (21,320 words) [view diff] exact match in snippet view article find links to article
the Fourier transform (the fourth roots of unity ±1 and ±i) and any linear combination of eigenfunctions with the same eigenvalue gives another eigenfunction
Hazard ratio (2,388 words) [view diff] exact match in snippet view article find links to article
function of a baseline hazard h 0 ( t ) {\displaystyle h_{0}(t)} and a linear combination of explanatory variables: log ⁡ h ( t ) = f ( h 0 ( t ) , α + β 1