Kernel
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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
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
- 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
- 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 (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