Editing Kernel

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'''Kernel''' may refer to:
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=={{anchor|Computer science}}Computing==
* [[Kernel (operating system)]], the central component of most operating systems
* [[Kernel (image processing)]], a matrix used for image convolution
* [[Compute kernel]], in GPGPU programming
* [[Kernel method]], in machine learning
* [[Kernelization]], a technique for designing efficient algorithms
** Kernel, a routine that is executed in a vectorized loop, for example in [[general-purpose computing on graphics processing units#Kernels|general-purpose computing on graphics processing units]]
*[[KERNAL]], the Commodore operating system

==Mathematics==
===Objects===
* [[Kernel (algebra)]], a general concept that includes:
** [[Kernel (linear algebra)]] or null space, a set of vectors mapped to the zero vector
** [[Kernel (category theory)]], a generalization of the kernel of a homomorphism
** [[Kernel (set theory)]], an equivalence relation: partition by image under a function
** [[Difference kernel]], a binary equalizer: the kernel of the difference of two functions

===Functions===
* [[Kernel (geometry)]], the set of points within a polygon from which the whole polygon boundary is visible
* [[Kernel (statistics)]], a weighting function used in kernel density estimation to estimate the probability density function of a random variable
* [[Integral kernel]] or '''kernel function''', a function of two variables that defines an integral transform
* [[Heat kernel]], the fundamental solution to the heat equation on a specified domain
* [[Convolution kernel]]
* [[Stochastic kernel]], the transition function of a stochastic process
* [[Transition kernel]], a generalization of a stochastic kernel
* [[Pricing kernel]], the stochastic discount factor used in mathematical finance
* [[Positive-definite kernel]], a generalization of a positive-definite matrix
* [[Kernel trick]], in statistics
* [[Reproducing kernel Hilbert space]]

==Science==
* [[Seed]], inside the nut of most plants or the fruitstone of drupes, especially:
** [[Apricot kernel]]
** [[Corn kernel]]
** [[Palm kernel]]
** [[Wheat berry|Wheat kernel]]
* [[Atomic nucleus]], the center of an atom

==Companies==
* [[Kernel (agriculture company)]], a Ukrainian producer of sunflower oil
* [[Kernel (neurotechnology company)]], a developer of neural interfaces
* [[The Kernel Brewery]], a craft brewery in London
* ''[[The Kernel]]'', an Internet culture website, now part of ''The Daily Dot''

==Other uses==
* [[Kernel (EP)|''Kernel'' (EP)]], by the band Seam
* [[Kernel Fleck]], a character in ''The Demonata'' series of books
* [[Brigitte Kernel]] (born 1959), French journalist and writer

==See also==
* [[Colonel]], a senior military officer rank that is pronounced "kernel"

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