In mathematics, a linear combination or superposition is an expression constructed from a set of terms by multiplying each term by a constant and adding...
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In convex geometry and vector algebra, a convex combination is a linear combination of points (which can be vectors, scalars, or more generally points...
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2: the first two columns are linearly independent, so the rank is at least 2, but since the third is a linear combination of the first two (the first column...
29 KB (4,416 words) - 23:46, 28 March 2025
K} , and multiplying a linear combination of S by a scalar c ∈ K {\displaystyle c\in K} will produce another linear combination of S: c ( λ 1 v 1 + ⋯ +...
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property of being closed under linear combinations. That is, a nonempty set W is a subspace if and only if every linear combination of finitely many elements...
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be linearly independent if there exists no nontrivial linear combination of the vectors that equals the zero vector. If such a linear combination exists...
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generalization of Fisher's linear discriminant, a method used in statistics and other fields, to find a linear combination of features that characterizes...
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written in a unique way as a finite linear combination of elements of B. The coefficients of this linear combination are referred to as components or coordinates...
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Nonlinear system (redirect from Non-linear)
linear combination of the unknown variables or functions that appear in them. Systems can be defined as nonlinear, regardless of whether known linear...
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Vector space (redirect from Linear space)
are linearly independent if a linear combination results in the zero vector if and only if all its coefficients are zero. Linear subspace A linear subspace...
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Symmetry-adapted linear combination may refer to: The linear combination of atomic orbitals in the subject of molecular orbitals Configuration state function...
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is a statistical model that models the log-odds of an event as a linear combination of one or more independent variables. In regression analysis, logistic...
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Quantum superposition (redirect from Quantum linear superposition)
equation is a linear differential equation in time and position. More precisely, the state of a system is given by a linear combination of all the eigenfunctions...
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In mathematics, an affine combination of x1, ..., xn is a linear combination ∑ i = 1 n α i ⋅ x i = α 1 x 1 + α 2 x 2 + ⋯ + α n x n , {\displaystyle \sum...
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general Bienaymé's identity. These results lead to the variance of a linear combination as: Var ( ∑ i = 1 N a i X i ) = ∑ i , j = 1 N a i a j Cov ( X...
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Gauss–Markov theorem (redirect from Best linear unbiased estimator)
\varepsilon _{j})=0,\forall i\neq j.} A linear estimator of β j {\displaystyle \beta _{j}} is a linear combination β ^ j = c 1 j y 1 + ⋯ + c n j y n {\displaystyle...
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A linear combination of atomic orbitals or LCAO is a quantum superposition of atomic orbitals and a technique for calculating molecular orbitals in quantum...
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{\displaystyle \mathbf {y} (t)} are two valid solutions, then so is any linear combination of the two solutions, e.g., z ( t ) = d e f α x ( t ) + β y (...
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convex conical hull of S is a closed set. Affine combination Convex combination Linear combination Convex Analysis and Minimization Algorithms by Jean-Baptiste...
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In statistics, linear regression is a model that estimates the relationship between a scalar response (dependent variable) and one or more explanatory...
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Formal sum (redirect from Formal linear combination)
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...
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In machine learning, a linear classifier makes a classification decision for each object based on a linear combination of its features. Such classifiers...
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mathematics, the term linear is used in two distinct senses for two different properties: linearity of a function (or mapping); linearity of a polynomial....
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In mathematics, a system of linear equations (or linear system) is a collection of two or more linear equations involving the same variables. For example...
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In linear algebra, the trace of a square matrix A, denoted tr(A), is the sum of the elements on its main diagonal, a 11 + a 22 + ⋯ + a n n {\displaystyle...
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identity mapping. A linear differential operator (abbreviated, in this article, as linear operator or, simply, operator) is a linear combination of basic differential...
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completely non-relativistic. The variational solution is assumed to be a linear combination of a finite number of basis functions, which are usually (but not...
31 KB (4,739 words) - 17:07, 14 April 2025
The superposition principle means that a linear combination of inputs to the system produces a linear combination of the individual zero-state outputs (that...
14 KB (2,059 words) - 23:05, 1 September 2024
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)...
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In mathematics, a linear form (also known as a linear functional, a one-form, or a covector) is a linear map from a vector space to its field of scalars...
34 KB (5,966 words) - 07:05, 3 April 2025