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Permanent of a matrix A = $\|a_{i,j}\|_{i,j=1}^{n}$ is defined as $ \mathrm{Perm}(A) = \sum\limits_{\sigma \in S_{n}} a_{1,\sigma_{1}},\ldots,a_{n,\sigma_{n}} $ Is there some representation for permanent of Vandermonde's matrix similar to its determinant? Is there some numerical methods for computing Vandermonde's permanent that uses the particularity of Vandermonde's matrix?

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    [An apropos paper](http://www.emis.ams.org/journals/AMEN/2006/050915-3.pdf). (At least you can bound your permanent...)2011-10-26

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