• Thumbnail for Reproducing kernel Hilbert space
    In functional analysis, a reproducing kernel Hilbert space (RKHS) is a Hilbert space of functions in which point evaluation is a continuous linear functional...
    33 KB (6,325 words) - 05:39, 15 June 2025
  • first define a reproducing kernel Hilbert space (RKHS): Definition: Space H {\displaystyle H} is called a reproducing kernel Hilbert space if the evaluation...
    24 KB (4,346 words) - 02:00, 27 May 2025
  • kernel methods typically involves reproducing kernel Hilbert spaces (RKHS). Not all kernels form inner product spaces, as they may not always be positive...
    18 KB (2,778 words) - 17:41, 6 May 2025
  • Thumbnail for Hilbert space
    )\,.} A Bergman space is an example of a reproducing kernel Hilbert space, which is a Hilbert space of functions along with a kernel K(ζ, z) that verifies...
    128 KB (17,469 words) - 06:51, 28 May 2025
  • kernel methods. Using a kernel, the originally linear operations of PCA are performed in a reproducing kernel Hilbert space. Recall that conventional...
    9 KB (1,338 words) - 13:19, 25 May 2025
  • the Hilbert space theory of stochastic processes, for example the Karhunen–Loève theorem; and it is also used in the reproducing kernel Hilbert space theory...
    12 KB (1,942 words) - 18:28, 20 April 2025
  • element of a reproducing kernel Hilbert space (RKHS). A generalization of the individual data-point feature mapping done in classical kernel methods, the...
    55 KB (9,770 words) - 06:16, 22 May 2025
  • holomorphic. If p = 2, then Ap(D) is a reproducing kernel Hilbert space, whose kernel is given by the Bergman kernel. If the domain D is bounded, then the...
    10 KB (1,461 words) - 01:08, 6 September 2023
  • Reproducing kernel Hilbert space Riesz representation theorem Rigged Hilbert space Spectral theorem, Spectral theory Trace class Normed vector space Unit...
    5 KB (475 words) - 23:38, 19 July 2023
  • Positive-definite kernel, a generalization of a positive-definite matrix Kernel trick, in statistics Reproducing kernel Hilbert space Seed, inside the...
    3 KB (373 words) - 21:30, 29 June 2024
  • R ) {\displaystyle {\mathcal {H}}(R)} be a reproducing kernel Hilbert space with positive definite kernel R {\displaystyle R} . Driscoll's zero-one law...
    44 KB (5,929 words) - 11:10, 3 April 2025
  • Thumbnail for Dirac delta function
    function in this Hilbert space. A Hilbert space having such a kernel is called a reproducing kernel Hilbert space. In the special case of the unit disc,...
    96 KB (14,230 words) - 16:33, 16 June 2025
  • Representer theorem (category Hilbert spaces)
    risk functional defined over a reproducing kernel Hilbert space can be represented as a finite linear combination of kernel products evaluated on the input...
    14 KB (2,800 words) - 18:01, 29 December 2024
  • x {\displaystyle x} . The kernel of a reproducing kernel Hilbert space is used in the suite of techniques known as kernel methods to perform tasks such...
    12 KB (899 words) - 20:19, 3 April 2025
  • = h ∗ ( x ) + b {\displaystyle f^{*}(x)=h^{*}(x)+b} from a reproducing kernel Hilbert space H {\displaystyle {\mathcal {H}}} by minimizing the regularized...
    22 KB (3,038 words) - 18:18, 18 June 2025
  • where H {\displaystyle {\mathcal {H}}} is a vector valued reproducing kernel Hilbert space with functions f : X → Y T {\displaystyle f:{\mathcal {X}}\rightarrow...
    43 KB (6,154 words) - 01:27, 16 June 2025
  • a reproducing kernel Hilbert space. Those contrast functions use the notion of mutual information as a measure of statistical independence. Kernel ICA...
    4 KB (516 words) - 03:53, 24 July 2023
  • Thumbnail for Regularization (mathematics)
    Without bounds on the complexity of the function space (formally, the reproducing kernel Hilbert space) available, a model will be learned that incurs...
    30 KB (4,628 words) - 21:21, 17 June 2025
  • generalized function in the dual space. Sobolev smoothness and reproducing kernel Hilbert space with Green's kernel The modelling approach used in computational...
    122 KB (16,879 words) - 23:37, 23 May 2025
  • kernel PCA, and most other kernel algorithms, regularized by a norm in a reproducing kernel Hilbert space, have solutions taking the form of kernel expansions...
    19 KB (2,007 words) - 22:36, 19 June 2025
  • the regression function is to use functions from a reproducing kernel Hilbert space. These spaces can be infinite dimensional, in which they can supply...
    13 KB (1,836 words) - 19:46, 12 December 2024
  • analysis, where he systematically developed the concept of reproducing kernel Hilbert space. He also contributed to mathematical logic. An Ashkenazi Jew...
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  • Thumbnail for Principal component analysis
    generalization is kernel PCA, which corresponds to PCA performed in a reproducing kernel Hilbert space associated with a positive definite kernel. In multilinear...
    117 KB (14,851 words) - 06:44, 17 June 2025
  • Random feature (category Kernel methods for machine learning)
    {\textstyle V} is a Hilbert space (more specifically, a reproducing kernel Hilbert space), the kernel trick replaces inner products in feature space ⟨ ϕ ( x i )...
    11 KB (1,705 words) - 05:20, 19 May 2025
  • Hardy space with square norm. It is a subspace of L2 space, and is thus a Hilbert space. In particular, it is a reproducing kernel Hilbert space. In general...
    2 KB (361 words) - 22:26, 23 February 2022
  • Thumbnail for Nonlinear dimensionality reduction
    high-dimensional space. This algorithm cannot embed out-of-sample points, but techniques based on Reproducing kernel Hilbert space regularization exist...
    48 KB (6,119 words) - 04:01, 2 June 2025
  • supremum over the whole class, which is the shattering number. Reproducing kernel Hilbert spaces are a useful choice for H {\displaystyle {\mathcal {H}}} ...
    12 KB (1,712 words) - 19:24, 18 June 2025
  • corresponding reproducing kernel Hilbert spaces H A , H B {\displaystyle {\mathcal {H_{A}}},{\mathcal {H_{B}}}} , then a larger space, H D {\displaystyle...
    15 KB (2,510 words) - 21:06, 14 April 2025
  • Thumbnail for Kriging
    estimation may also be seen as a spline in a reproducing kernel Hilbert space, with the reproducing kernel given by the covariance function. The difference...
    39 KB (6,063 words) - 23:47, 20 May 2025
  • {R} \}} . The kernel maximum mean discrepancy (MMD) has F {\displaystyle {\mathcal {F}}} the unit ball in a reproducing kernel Hilbert space. This distance...
    17 KB (1,880 words) - 14:34, 3 May 2024