• Thumbnail for Linear combination
    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...
    18 KB (2,668 words) - 06:33, 9 April 2025
  • Thumbnail for Convex combination
    In convex geometry and vector algebra, a convex combination is a linear combination of points (which can be vectors, scalars, or more generally points...
    7 KB (542 words) - 18:16, 1 January 2025
  • 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
  • Thumbnail for Linear span
    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 + ⋯ +...
    17 KB (2,452 words) - 14:30, 13 May 2025
  • 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...
    33 KB (4,640 words) - 10:31, 27 March 2025
  • Thumbnail for Linear independence
    be linearly independent if there exists no nontrivial linear combination of the vectors that equals the zero vector. If such a linear combination exists...
    25 KB (4,400 words) - 01:41, 6 May 2025
  • Thumbnail for Linear discriminant analysis
    generalization of Fisher's linear discriminant, a method used in statistics and other fields, to find a linear combination of features that characterizes...
    47 KB (6,037 words) - 14:10, 16 January 2025
  • Thumbnail for Basis (linear algebra)
    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...
    34 KB (4,751 words) - 04:52, 13 April 2025
  • 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...
    21 KB (2,645 words) - 22:34, 20 April 2025
  • Thumbnail for Vector space
    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...
    87 KB (11,491 words) - 12:05, 7 May 2025
  • Symmetry-adapted linear combination may refer to: The linear combination of atomic orbitals in the subject of molecular orbitals Configuration state function...
    442 bytes (89 words) - 07:43, 7 March 2019
  • Thumbnail for Logistic regression
    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...
    127 KB (20,645 words) - 05:20, 16 April 2025
  • 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...
    18 KB (2,471 words) - 23:28, 16 April 2025
  • 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...
    3 KB (381 words) - 15:08, 16 March 2025
  • Thumbnail for Variance
    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...
    61 KB (10,215 words) - 11:05, 7 May 2025
  • \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...
    28 KB (4,717 words) - 18:09, 24 March 2025
  • A linear combination of atomic orbitals or LCAO is a quantum superposition of atomic orbitals and a technique for calculating molecular orbitals in quantum...
    6 KB (781 words) - 11:24, 30 April 2025
  • {\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 (...
    5 KB (865 words) - 00:25, 22 October 2023
  • convex conical hull of S is a closed set. Affine combination Convex combination Linear combination Convex Analysis and Minimization Algorithms by Jean-Baptiste...
    3 KB (455 words) - 05:49, 7 January 2024
  • In statistics, linear regression is a model that estimates the relationship between a scalar response (dependent variable) and one or more explanatory...
    75 KB (10,482 words) - 17:25, 13 May 2025
  • 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...
    798 bytes (161 words) - 09:49, 4 September 2020
  • In machine learning, a linear classifier makes a classification decision for each object based on a linear combination of its features. Such classifiers...
    9 KB (1,146 words) - 02:44, 21 October 2024
  • mathematics, the term linear is used in two distinct senses for two different properties: linearity of a function (or mapping); linearity of a polynomial....
    12 KB (1,634 words) - 20:21, 12 May 2025
  • Thumbnail for System of linear equations
    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...
    36 KB (5,636 words) - 00:10, 4 February 2025
  • 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...
    37 KB (5,564 words) - 10:16, 1 May 2025
  • identity mapping. A linear differential operator (abbreviated, in this article, as linear operator or, simply, operator) is a linear combination of basic differential...
    30 KB (4,754 words) - 02:35, 2 May 2025
  • 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)...
    4 KB (639 words) - 15:14, 25 December 2024
  • 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