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Results tagged with Search options answers only user 144

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.

4
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reason that people report that Inverse doesn't work is that Mathematica works with Complex numbers by default. Very often they are only considering the function's behavior over Real values. …
answered Jul 25 '15 by Searke
6
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invert. There isn't a way to solve for k in terms of x except to invent a function. Solve[{x == ArcCsc[Tan[k]] + R Cos[k]}, k] {{}} Also, there's a ton of inverse trig functions everywhere. Issues with branch cuts are likely. …
answered Jul 20 '12 by Searke