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The $n$-secant varieties to the Veronese embedding $v_{2n}(\mathbb{P}^{1})$are hypersurfaces of degree $n+1$, denoted by $\sigma_n(v_{2n}(\mathbb{P}^1))$.We compute the Euclidean distance degree $\mathrm{EDdegree}$ of$\sigma_n(v_{2n}(\mathbb{P}^1))$ for $n\le 5$ with respect to the Bombieri-Weylquadratic form, which is maybe the most interesting case. The output for$n=1,\ldots, 5$ is respectively $2, 7, 20, 53, 162$. Our main tool is thetopological Aluffi-Harris formula. This is the first case when the$\mathrm{EDdegree}$ of a $r$-secant variety to the Veronese embedding$v_{d}(\mathbb{P}^{m})$ is computed for $r\ge 2$ and $d\ge 3$.

The Computation of the Euclidean Distance Degree for the Middle Catalacticant for the Binary Forms