An approximation is anything that is intentionally similar but not exactly equal to something else. The word approximation is derived from Latin approximatus...
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expansion used in the approximation. The expressions: a zeroth-order approximation, a first-order approximation, a second-order approximation, and so forth are...
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Rational approximation may refer to: Diophantine approximation, the approximation of real numbers by rational numbers Padé approximation, the approximation of...
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mathematics, Stirling's approximation (or Stirling's formula) is an asymptotic approximation for factorials. It is a good approximation, leading to accurate...
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In number theory, the study of Diophantine approximation deals with the approximation of real numbers by rational numbers. It is named after Diophantus...
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In geometric optics, the paraxial approximation is a small-angle approximation used in Gaussian optics and ray tracing of light through an optical system...
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In mathematics, a linear approximation is an approximation of a general function using a linear function (more precisely, an affine function). They are...
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In the mathematical theory of artificial neural networks, universal approximation theorems are theorems of the following form: Given a family of neural...
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successive approximation are a category of strategies in pure and applied mathematics. Successive approximation also may refer to: Successive approximation ADC...
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Boussinesq approximation may refer to several modelling concepts – as introduced by Joseph Valentin Boussinesq (1842–1929), a French mathematician and...
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The approximation error in a data value is the discrepancy between an exact value and some approximation to it. This error can be expressed as an absolute...
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In computer science and operations research, approximation algorithms are efficient algorithms that find approximate solutions to optimization problems...
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A minimax approximation algorithm (or L∞ approximation or uniform approximation) is a method to find an approximation of a mathematical function that...
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In mathematics, Spouge's approximation is a formula for computing an approximation of the gamma function. It was named after John L. Spouge, who defined...
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The binomial approximation is useful for approximately calculating powers of sums of 1 and a small number x. It states that ( 1 + x ) α ≈ 1 + α x . {\displaystyle...
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Binomial distribution (redirect from Poisson approximation)
for N much larger than n, the binomial distribution remains a good approximation, and is widely used. In general, if the random variable X follows the...
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In mathematics, σ-approximation adjusts a Fourier summation to greatly reduce the Gibbs phenomenon, which would otherwise occur at discontinuities. A...
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specifically functional analysis, a Banach space is said to have the approximation property (AP), if every compact operator is a limit of finite-rank operators...
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Approximations for the mathematical constant pi (π) in the history of mathematics reached an accuracy within 0.04% of the true value before the beginning...
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molecular physics, the Born–Oppenheimer (BO) approximation is the best-known mathematical approximation in molecular dynamics. Specifically, it is the...
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In general, a function approximation problem asks us to select a function among a well-defined class[citation needed][clarification needed] that closely...
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In mathematics, approximation theory is concerned with how functions can best be approximated with simpler functions, and with quantitatively characterizing...
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scattering theory and in particular in quantum mechanics, the Born approximation consists of taking the incident field in place of the total field as...
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A successive-approximation ADC is a type of analog-to-digital converter (ADC) that converts a continuous analog waveform into a discrete digital representation...
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Padé approximant (redirect from Pade approximation)
In mathematics, a Padé approximant is the "best" approximation of a function near a specific point by a rational function of given order. Under this technique...
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In mathematics, an approximation to the identity refers to a sequence or net that converges to the identity in some algebra. Specifically, it can mean:...
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Pi Day (redirect from Π approximation day)
celebrate pi include Pi Approximation Day on July 22 (22/7 in the day/month format, an approximation of π) and June 28 (6.28, an approximation of 2π or tau). In...
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high-frequency approximation (or "high energy approximation") for scattering or other wave propagation problems, in physics or engineering, is an approximation whose...
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The small-angle approximations can be used to approximate the values of the main trigonometric functions, provided that the angle in question is small...
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In mathematics, low-rank approximation refers to the process of approximating a given matrix by a matrix of lower rank. More precisely, it is a minimization...
22 KB (3,855 words) - 22:28, 7 August 2024