KnowraRational approximationLinked fromLinked fromThe 12 pages that link to Rational approximation, each with the reason it gives.All 12Related 4Narrower topic 5Compared with 3Approximation theoryCompared with: Rational functions can represent poles and sharp changes that polynomial approximants handle poorly.Mergelyan's theoremCompared with: Rational functions can approximate on sets with disconnected complements where polynomials may fail.Proof that π is irrationalCompared with: Excellent rational approximations to π do not make π rational.