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How to obtain numberical value from an InverseFunction?
Hello; Are inverse function in Mathematica only have symbolic form and can't be used to evaluate numerically? Anything I am trying is not working, this is a very simple example: f[x_] := x InverseFunction[f][x] Now, how to evaluate anything out of the above? say for x=0.5, I expected to get .5, but all I get is just f(^-1)[x][.5] any ideas? Very little help on InverseFunctions. Nasser