# Kernel

From Infogalactic: the planetary knowledge core

(Redirected from Kernel (disambiguation))

Look up in Wiktionary, the free dictionary.kernel |

**Kernel** may refer to:

## Computing

- Kernel (operating system), the central component of most operating systems
- Kernel method, in machine learning
- Kernel (image processing), a square matrix used for image convolution
- Kernel, the body of a vectorized loop in numerical computing; see e.g. GPGPU
- Kernelization, a technique for designing efficient algorithms

## Mathematics

### Objects

- Kernel (algebra), in algebra
- Kernel (linear algebra), the set of all vectors which map to the zero vector
- Kernel (category theory), in category theory
- Kernel (set theory), the set of all pairs of elements that map to the same value
- Equalizer (mathematics), the set of all elements where the values of two functions coincide

### Functions

- Integral kernel, 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
- kernel (statistics), a weighting function used in kernel density estimation to estimate the probability density function of a random variable
- Stochastic kernel, the transition function of a stochastic process
- 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
- Kernel (geometry), the set of points within a polygon from which the whole polygon boundary is visible

## Science

- Seed, inside the nut of most plants
- Atomic nucleus

## Other uses

- Kernel (digital media company), an e-commerce website
*Kernel*(EP), by the band Seam- Pricing kernel, another name for the stochastic discount factor used in asset pricing
- Kernel (
*Lilo & Stitch*), experiment 014 from the*Lilo & Stitch*cartoon series - Kernel Fleck, a character in the
*Demonata*series of books

## See also

- KERNAL, Commodore's 8-bit OS software
- Colonel (disambiguation)
- Kernel, a figure of speech, a seed of an idea that has grown to fruition

This disambiguation page lists articles associated with the title Kernel.If an internal link led you here, you may wish to change the link to point directly to the intended article. |