• 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) - 11:08, 14 December 2024
  • 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) - 00:03, 6 April 2023
  • 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 (4,285 words) - 07:38, 28 June 2024
  • 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 (2,433 words) - 19:15, 17 October 2024
  • Thumbnail for Linear discriminant analysis
    to find a linear combination of features that characterizes or separates two or more classes of objects or events. The resulting combination may be used...
    46 KB (5,986 words) - 10:54, 8 November 2024
  • 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) - 04:58, 27 November 2024
  • 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 (4,749 words) - 01:17, 16 October 2024
  • 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 (4,635 words) - 17:37, 8 November 2024
  • 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 (11,516 words) - 19:32, 22 December 2024
  • 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 (4,390 words) - 03:18, 12 September 2024
  • In statistics, linear regression is a model that estimates the linear relationship between a scalar response (dependent variable) and one or more explanatory...
    75 KB (10,428 words) - 22:33, 21 December 2024
  • 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
  • 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 (2,597 words) - 16:51, 7 September 2024
  • 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 (4,757 words) - 20:13, 11 November 2024
  • 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
  • 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
  • by that type. This method of quantifying orbital contribution as a linear combination of atomic orbitals is used in computational chemistry. An additional...
    23 KB (3,018 words) - 12:43, 22 October 2024
  • 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) - 21:17, 3 October 2023
  • Thumbnail for Artificial neuron
    but they may also take the form of other nonlinear functions, piecewise linear functions, or step functions. They are also often monotonically increasing...
    31 KB (3,602 words) - 20:05, 12 December 2024
  • Ordinary linear regression predicts the expected value of a given unknown quantity (the response variable, a random variable) as a linear combination of a...
    31 KB (4,232 words) - 21:22, 3 December 2024
  • 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 (4,729 words) - 03:07, 5 December 2024
  • 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
  • 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 (5,571 words) - 13:44, 25 September 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) - 22:12, 7 June 2024
  • Thumbnail for Least squares
    its partial derivatives. A regression model is a linear one when the model comprises a linear combination of the parameters, i.e., f ( x , β ) = ∑ j = 1...
    39 KB (5,659 words) - 04:46, 5 January 2025
  • previous points and derivative values. In the case of linear multistep methods, a linear combination of the previous points and derivative values is used...
    23 KB (4,865 words) - 02:29, 23 September 2024
  • Thumbnail for Matrix (mathematics)
    product of outgoing particle states and a linear combination of ingoing particle states. The linear combination is given by a matrix known as the S-matrix...
    108 KB (13,476 words) - 09:46, 2 January 2025
  • Thumbnail for Spline (mathematics)
    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...
    26 KB (4,510 words) - 09:54, 4 January 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
  • 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 (5,967 words) - 23:34, 15 June 2024