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Results tagged with Search options questions only user 1552

Questions on exact, symmetric reversal of a definition or functional mapping (i.e. the original form is returned when applied twice). Use this tag for issues on inversion of Mathematica expressions, or general inversion of math constructs.

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Mathematica is struggling to find the inverse of this function f(r): f[r_]:=ArcCos[(-1 + 4.20278 r (0.008712/r^2 + 0.475876/r - 1/(1 + r)))/Sqrt[ 1 - 10.598 r^2 (0.008712/r^2 + 0.475876/r - 1/(1 … + r))]] If I attempt to use Solve or NSolve (N)Solve[s==f[r],r] mathematica just hangs up. The same is true for InverseFunction[]. I was wondering if there were any strategies to find the inverse
asked Jun 21 '12 by Tuckerman