RootApproximant

Available

Finds an algebraic number approximating a numeric value

Forms

RootApproximant[x]

RootApproximant[x, n]

Verified examplesRootApproximant[Pi, 2] → 245850922/78256779 RootApproximant[3.1415926] → Root[369 - 444*#1 + 494*#1^2 - 165*#1^3 + 13*#1^4 & , 1, 0]RootApproximant[E, 3] → 325368125/119696244

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Topics

Algebraic Number Theory - Algebraic Numbers and Representation »
Algebraic Numbers - Algebraic Number Theory»
New In60 Algebraic Computing - New in Algebraic Number Theory »
New In60 Alphabetical Listing - R
New In60 Mathematics And Algorithms - New in Number Theory & Integer Functions »
New In60 Number Theory And Integer Functions - New in Number Approximation

Related

Rationalize LatticeReduce Root FindSequenceFunction MinimalPolynomial AlgebraicNumberNorm Convergents AlgebraicIntegerQ ContinuedFraction FullSimplify NumberFieldDiscriminant QuadraticIrrationalQ

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