Meanings
nounapproximation theory (uncountable)
- uncountablemathematicsThe study of how functions can best be approximated with simpler functions, and how the errors introduced in this way can be quantitatively characterized.
Translations
Russian теория приближений
- теория приближений (teorija približenij)branch of mathematics
Cite this entry
APA
approximation theory. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/approximation%20theory
MLA
“approximation theory.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/approximation%20theory. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “approximation theory,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/approximation%20theory.
Source: approximation theory on Wiktionary, CC BY-SA 4.0.