approximation

C7233

concept

An approximation is a value, representation, or solution that is close to, but not exactly equal to, a true or ideal quantity, used when exactness is unnecessary or unattainable.

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All labels observed (20)

Label	Occurrences
approximation method	4
quadrature rule	3
closure approximation	2
theoretical approximation	2
Taylor series	1
approximate likelihood	1
approximation canonical	1
approximation in electron-phonon theory	1
approximation in many-body physics	1
approximation method in quantum scattering theory	1
closure approximation in turbulence	1
construction of the definite integral	1
curvature estimate	1
energy estimate	1
first-order approximation	1
mathematical approximation	1
physical approximation	1
power series expansion	1
semiclassical approximation	1
statistical approximation method	1

Instances (24)

Instance	Via concept surface
Taylor series	power series expansion
Edgeworth expansion	statistical approximation method
Lagrangian-history closure approximation	closure approximation
Lagrangian-history direct interaction approximation (LHDIA) surface form: Lagrangian-history direct interaction approximation	closure approximation in turbulence
Kirkwood approximation in statistical mechanics surface form: Kirkwood approximation	closure approximation
Sommerfeld expansion in statistical mechanics	approximation method
Simpson's rule	quadrature rule
Bogoliubov theory of weakly interacting Bose gases	approximation method
Stirling's approximation	mathematical approximation
Rayleigh–Jeans law at low frequencies	—
Zeldovich approximation	first-order approximation
Zeldovich approximation in large-scale structure formation surface form: Zeldovich approximation	approximation method
Riemann sums	construction of the definite integral
Gutzwiller approximation	theoretical approximation
Wien surface form: Wien approximation	physical approximation
Migdal approximation	theoretical approximation
Morawetz inequalities	energy estimate
Gutzwiller surface form: Gutzwiller approximation	approximation method
Gutzwiller trace formula	semiclassical approximation
Whittle likelihood	approximate likelihood
Gaussian quadrature rules	quadrature rule
Gregory method	quadrature rule
Born approximation in scattering theory surface form: Born approximation	approximation method in quantum scattering theory
Hamilton’s Harnack inequalities for Ricci flow	curvature estimate