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For questions about the theory and process of finding the roots of a function (values where the function returns zero).
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Is there a software package that can compute the 1-dimensional preimage of a point?
I have a smooth function $F: \mathbb{R}^n \to \mathbb{R}^{n-1}$ and points $x_0, y_0$ with
$F(x_0) = y_0$.
For theoretical reasons, I know that $y_0$ is a regular value of $F$,
which means that the Ja …