equation kernel

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• Kernel density estimation — of 100 normally distributed random numbers using different smoothing bandwidths. In statistics, kernel density estimation is a non parametric way of estimating the probability density function of a random variable. Kernel density estimation is a… …   Wikipedia

• Kernel (matrix) — In linear algebra, the kernel or null space (also nullspace) of a matrix A is the set of all vectors x for which Ax = 0. The kernel of a matrix with n columns is a linear subspace of n dimensional Euclidean space.[1] The dimension… …   Wikipedia

• Kernel (mathematics) — In mathematics, the word kernel has several meanings. Kernel may mean a subset associated with a mapping:* The kernel of a mapping is the set of elements that map to the zero element (such as zero or zero vector), as in kernel of a linear… …   Wikipedia

• kernel — kernelless, adj. kernelly, adj. /kerr nl/, n., v., kerneled, kerneling or (esp. Brit.) kernelled, kernelling. n. 1. the softer, usually edible part contained in the shell of a nut or the stone of a fruit. 2. the body of a seed within its husk or… …   Universalium

• Kernel (algebra) — In the various branches of mathematics that fall under the heading of abstract algebra, the kernel of a homomorphism measures the degree to which the homomorphism fails to be injective. An important special case is the kernel of a matrix, also… …   Wikipedia

• kernel of integral equation — integralinis branduolys statusas T sritis fizika atitikmenys: angl. integral kernel; kernel of integral equation vok. Integralkern, m; Kern der Integralgleichung, m rus. интегральное ядро, n; ядро интегрального уравнения, n pranc. noyau d’une… …   Fizikos terminų žodynas

• Équation intégrale de Fredholm — En mathématiques, l équation intégrale de Fredholm est une équation intégrale étudiée par Ivar Fredholm. La caractéristique principale d une équation de Fredholm est que les bornes d intégration sont constantes. Son étude donne naissance à la… …   Wikipédia en Français

• Diffusion equation — The diffusion equation is a partial differential equation which describes density fluctuations in a material undergoing diffusion. It is also used to describe processes exhibiting diffusive like behaviour, for instance the diffusion of alleles in …   Wikipedia

• Fredholm integral equation — In mathematics, the Fredholm integral equation is an integral equation whose solution gives rise to Fredholm theory, the study of Fredholm kernels and Fredholm operators. The integral equation was studied by Ivar Fredholm. Equation of the first… …   Wikipedia

• Smoluchowski coagulation equation — The Smoluchowski coagulation equation is an integrodifferential equation introduced by Marian Smoluchowski in a seminal 1916 publication, describing the evolution of the number density of particles of size x at a time t . In the continuous case… …   Wikipedia

• Poisson kernel — In potential theory, the Poisson kernel is the derivative of the Green s function for the two dimensional Laplace equation, under circular symmetry, using Dirichlet boundary conditions. It is used for solving the two dimensional Dirichlet problem …   Wikipedia