approximation theory

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|math}} The study of how [[function]]s can best be [[approximate]]d with simpler functions, and how the [[error]]s introduced in this way can be [[quantitative]]ly characterized.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.