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bracket function

См. также в других словарях:

  • Bracket — 〈 redirects here. It is not to be confused with く, a Japanese kana. This article is about bracketing punctuation marks. For other uses, see Bracket (disambiguation). Due to technical restrictions, titles like :) redirect here. For typographical… …   Wikipedia

  • Bracket (mathematics) — In mathematics, various typographical forms of brackets are frequently used in mathematical notation such as parentheses ( ), square brackets [ ] , curly brackets { }, and angle brackets < >. In the typical use, a mathematical expression is… …   Wikipedia

  • bracket — [[t]bræ̱kɪt[/t]] brackets, bracketing, bracketed 1) N COUNT: usu n N If you say that someone or something is in a particular bracket, you mean that they come within a particular range, for example a range of incomes, ages, or prices. ...a 33% top …   English dictionary

  • Poisson bracket — In mathematics and classical mechanics, the Poisson bracket is an important operator in Hamiltonian mechanics, playing a central role in the definition of the time evolution of a dynamical system in the Hamiltonian formulation. In a more general… …   Wikipedia

  • Dirac bracket — The Dirac bracket is a generalization of the Poisson bracket developed by Paul Dirac to correctly treat systems with second class constraints in Hamiltonian mechanics and canonical quantization. It is an important part of Dirac s development of… …   Wikipedia

  • Indicator function — The graph of the indicator function of a two dimensional subset of a square. In mathematics, an indicator function or a characteristic function is a function defined on a set X that indicates membership of an element in a subset A of …   Wikipedia

  • Courant bracket — In a field of mathematics known as differential geometry, the Courant bracket is a generalization of the Lie bracket from an operation on the tangent bundle to an operation on the direct sum of the tangent bundle and the vector bundle of p forms …   Wikipedia

  • Schouten–Nijenhuis bracket — In differential geometry, the Schouten–Nijenhuis bracket, also known as the Schouten bracket, is a type of graded Lie bracket defined on multivector fields on a smooth manifold extending the Lie bracket of vector fields. There are two different… …   Wikipedia

  • Iverson bracket — In mathematics, the Iverson bracket is a convenient notation that denotes a number that is 1 if the condition in square brackets is satisfied, and 0 otherwise. More exactly,: [P] = egin{cases} 1; mbox{if } P mbox{ is true;} 0; mbox{otherwise.}… …   Wikipedia

  • Likelihood function — In statistics, a likelihood function (often simply the likelihood) is a function of the parameters of a statistical model, defined as follows: the likelihood of a set of parameter values given some observed outcomes is equal to the probability of …   Wikipedia

  • Curly bracket programming language — Curly brace or bracket programming languages are those which use balanced brackets ({ and }, also known as squiggly brackets , brace brackets or simply braces ) to make blocks in their syntax or formal grammar, mainly due to being C influenced.… …   Wikipedia

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