In set theory, the kernel of a function f {\displaystyle f} (or equivalence kernel) may be taken to be either the equivalence relation on the function's...
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to the zero vector Kernel (category theory), a generalization of the kernel of a homomorphism Kernel (set theory), an equivalence relation: partition...
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In mathematics, and specifically in potential theory, the Poisson kernel is an integral kernel, used for solving the two-dimensional Laplace equation,...
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subalgebra of B {\displaystyle B} ). Kernel (category theory) Kernel of a function Equalizer (mathematics) Zero set Some sources do not include the multiplicative...
34 KB (5,494 words) - 22:39, 14 July 2025
theory (for example, using Rademacher complexity). Kernel methods can be thought of as instance-based learners: rather than learning some fixed set of...
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In probability theory, a Markov kernel (also known as a stochastic kernel or probability kernel) is a map that in the general theory of Markov processes...
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In operator theory, a branch of mathematics, a positive-definite kernel is a generalization of a positive-definite function or a positive-definite matrix...
24 KB (4,346 words) - 02:00, 27 May 2025
mathematics of probability, a transition kernel or kernel is a function in mathematics that has different applications. Kernels can for example be used to define...
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Equaliser (mathematics) (redirect from Difference kernel)
equation. In certain contexts, a difference kernel is the equaliser of exactly two functions. Let X and Y be sets. Let f and g be functions, both from X to...
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In functional analysis, a reproducing kernel Hilbert space (RKHS) is a Hilbert space of functions in which point evaluation is a continuous linear functional...
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Mercer's theorem (redirect from Semi-definite kernel)
in the reproducing kernel Hilbert space theory where it characterizes a symmetric positive-definite kernel as a reproducing kernel. To explain Mercer's...
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parameterized complexity theory, it is often possible to prove that a kernel with guaranteed bounds on the size of a kernel (as a function of some parameter...
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kernel is a computer program at the core of a computer's operating system that always has complete control over everything in the system. The kernel is...
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In statistics, kernel density estimation (KDE) is the application of kernel smoothing for probability density estimation, i.e., a non-parametric method...
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Preadditive category (section Kernels and cokernels)
without kernels and/or cokernels. There is a convenient relationship between the kernel and cokernel and the abelian group structure on the hom-sets. Given...
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Mach (/mɑːk/) is an operating system kernel developed at Carnegie Mellon University by Richard Rashid and Avie Tevanian to support operating system research...
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Support vector machine (section Kernel trick)
using the kernel trick, representing the data only through a set of pairwise similarity comparisons between the original data points using a kernel function...
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much collective payoff a set of players can gain by forming a coalition. Cooperative game theory is a branch of game theory that deals with the study...
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mathematics, specifically in category theory, a pre-abelian category is an additive category that has all kernels and cokernels. Spelled out in more detail...
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functor Hom functor Product (category theory) Equaliser (mathematics) Kernel (category theory) Pullback (category theory)/fiber product Inverse limit Pro-finite...
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study of artificial neural networks (ANNs), the neural tangent kernel (NTK) is a kernel that describes the evolution of deep artificial neural networks...
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defined by the kernel, such that closer points are given higher weights. The estimated function is smooth, and the level of smoothness is set by a single...
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abstract structure of Fredholm's theory is given in terms of the spectral theory of Fredholm operators and Fredholm kernels on Hilbert space. It therefore...
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classification, the Fisher kernel, named after Ronald Fisher, is a function that measures the similarity of two objects on the basis of sets of measurements for...
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manifolds, dynamical systems, and other structured objects. The theory behind kernel embeddings of distributions has been primarily developed by Alex...
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Bayesian interpretation of kernel regularization examines how kernel methods in machine learning can be understood through the lens of Bayesian statistics...
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In mathematics, the Carathéodory kernel theorem is a result in complex analysis and geometric function theory established by the Greek mathematician Constantin...
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example being the neighborhood filter. Filters appear in order theory, model theory, and set theory, but can also be found in topology, from which they originate...
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analytics VC dimension VIGRA Validation set Vapnik–Chervonenkis theory Variable-order Bayesian network Variable kernel density estimation Variable rules analysis...
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Representer theorem (category Computational learning theory)
reproducing kernel Hilbert space can be represented as a finite linear combination of kernel products evaluated on the input points in the training set data...
14 KB (2,800 words) - 18:01, 29 December 2024