• In mathematics, a basis function is an element of a particular basis for a function space. Every function in the function space can be represented as...
    3 KB (336 words) - 02:35, 22 July 2022
  • In mathematics a radial basis function (RBF) is a real-valued function φ {\textstyle \varphi } whose value depends only on the distance between the input...
    17 KB (1,738 words) - 18:36, 23 May 2025
  • In machine learning, the radial basis function kernel, or RBF kernel, is a popular kernel function used in various kernelized learning algorithms. In particular...
    7 KB (1,160 words) - 11:41, 3 June 2025
  • modeling, a radial basis function network is an artificial neural network that uses radial basis functions as activation functions. The output of the...
    30 KB (4,849 words) - 20:07, 4 June 2025
  • Radial basis function (RBF) interpolation is an advanced method in approximation theory for constructing high-order accurate interpolants of unstructured...
    9 KB (1,390 words) - 17:45, 26 December 2024
  • Thumbnail for Basis (linear algebra)
    square-integrable functions cannot be represented as finite linear combinations of these basis functions, which therefore do not comprise a Hamel basis. Every Hamel...
    34 KB (4,751 words) - 04:52, 13 April 2025
  • computational chemistry, a basis set is a set of functions (called basis functions) that is used to represent the electronic wave function in the Hartree–Fock...
    36 KB (4,967 words) - 02:14, 26 May 2025
  • Thumbnail for Haar wavelet
    "square-shaped" functions which together form a wavelet family or basis. Wavelet analysis is similar to Fourier analysis in that it allows a target function over...
    27 KB (4,518 words) - 04:45, 21 January 2025
  • Raviart–Thomas basis functions are vector basis functions used in finite element and boundary element methods. They are regularly used as basis functions when working...
    4 KB (525 words) - 23:14, 19 December 2022
  • Thumbnail for Non-uniform rational B-spline
    the basis function of degree one is a triangle function. It rises from zero to one, then falls to zero again. While it rises, the basis function of the...
    31 KB (4,626 words) - 21:09, 4 June 2025
  • and a put option Basis function Basis (linear algebra) Dual basis Orthonormal basis Schauder basis Basis (universal algebra) Basis of a matroid Generating...
    4 KB (495 words) - 20:53, 16 April 2025
  • In machine learning, a Hyper basis function network, or HyperBF network, is a generalization of radial basis function (RBF) networks concept, where the...
    4 KB (766 words) - 03:50, 31 July 2024
  • automatic basis function construction, also known as basis discovery, is a technique that finds a set of general-purpose (task-independent) basis functions to...
    10 KB (1,630 words) - 11:59, 24 April 2025
  • Thumbnail for Wave function
    a basis wave function. If spin is taken into account, there are two basis functions for each triple. The function space thus has a countable basis. The...
    99 KB (13,587 words) - 21:25, 14 May 2025
  • radial basis functions. Given a set of control points { c i , i = 1 , 2 , … , K } {\displaystyle \{c_{i},i=1,2,\ldots ,K\}} , a radial basis function defines...
    11 KB (1,593 words) - 15:45, 4 April 2025
  • Thumbnail for Finite element method
    chooses basis functions. We used piecewise linear basis functions in our discussion, but it is common to use piecewise polynomial basis functions. Separate...
    59 KB (7,792 words) - 08:01, 25 May 2025
  • Thumbnail for Method of moments (electromagnetics)
    combination of pre-defined basis functions; generally, the coefficients of these basis functions are the sought unknowns. Green's functions and Galerkin method...
    36 KB (4,009 words) - 02:45, 2 June 2025
  • Thumbnail for Eigenfunction
    Eigenfunction (redirect from Eigen function)
    the function space has an orthonormal basis given by the set of functions {u1(t), u2(t), …, un(t)}, where n may be infinite. For the orthonormal basis, ⟨...
    17 KB (2,347 words) - 07:05, 16 December 2024
  • Thumbnail for Window function
    processing and statistics, a window function (also known as an apodization function or tapering function) is a mathematical function that is zero-valued outside...
    74 KB (8,872 words) - 22:12, 11 June 2025
  • Thumbnail for Change of basis
    multivariate function whose variables are the coordinates on some basis of the vector on which the function is applied. When the basis is changed, the...
    18 KB (3,123 words) - 09:16, 2 May 2025
  • quantum chemistry to form basis sets. Gaussian functions arise by composing the exponential function with a concave quadratic function: f ( x ) = exp ⁡ ( α...
    30 KB (5,023 words) - 17:40, 4 April 2025
  • of functions related to Fourier analysis. Such transformations map a function to a set of coefficients of basis functions, where the basis functions are...
    7 KB (1,001 words) - 15:55, 27 May 2025
  • empirical orthogonal function (EOF) analysis is a decomposition of a signal or data set in terms of orthogonal basis functions which are determined from...
    3 KB (343 words) - 18:10, 29 February 2024
  • Thumbnail for Reproducing kernel Hilbert space
    space of functions in which point evaluation is a continuous linear functional. Specifically, a Hilbert space H {\displaystyle H} of functions from a set...
    33 KB (6,325 words) - 05:39, 15 June 2025
  • line in the formula for ozone above is one basis function multiplied by its coefficient. Each basis function B i ( x ) {\displaystyle B_{i}(x)} takes one...
    22 KB (3,136 words) - 19:29, 14 October 2023
  • radial basis function (RBF, also called a kernel function) is applied to the distance to compute the weight (influence) for each neuron. The radial basis function...
    89 KB (10,703 words) - 04:12, 11 June 2025
  • functions are orthogonal over the sphere in the continuous case. Thus they can also be thought of as a generalized Fourier series in which the basis functions...
    3 KB (277 words) - 05:02, 17 February 2024
  • Thumbnail for Wavelet transform
    function ψ ∈ L 2 ( R ) {\displaystyle \psi \,\in \,L^{2}(\mathbb {R} )} is called an orthonormal wavelet if it can be used to define a Hilbert basis,...
    27 KB (3,836 words) - 23:54, 24 May 2025
  • base band. Hence, the signal space can be represented by the single basis function ϕ ( t ) = 2 T b cos ⁡ ( 2 π f t ) {\displaystyle \phi (t)={\sqrt {\frac...
    42 KB (6,226 words) - 13:36, 27 January 2025
  • proto-value functions (PVFs) are automatically learned basis functions that are useful in approximating task-specific value functions, providing a compact...
    7 KB (1,082 words) - 14:26, 13 December 2021