Concept information
Preferred term
approximation theory
Definition(s)
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In mathematics, approximation theory is concerned with how functions can best be approximated with simpler functions, and with quantitatively characterizing the errors introduced thereby. What is meant by best and simpler will depend on the application. A closely related topic is the approximation of functions by generalized Fourier series, that is, approximations based upon summation of a series of terms based upon orthogonal polynomials.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Approximation_theory)
Broader concept(s)
Narrower concept(s)
In other languages
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French
URI
http://data.loterre.fr/ark:/67375/PSR-Q58PV01Q-3
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