Elementary symmetric polynomial (source code)

= Elementary symmetric polynomial
{wiki=Elementary_symmetric_polynomial}

Elementary symmetric polynomials are a fundamental class of symmetric polynomials in algebra. Given a set of \\( n \\) variables, \\( x_1, x_2, ..., x_n \\), the elementary symmetric polynomials are defined as follows: 1. The first elementary symmetric polynomial \\( e_1(x_1, x_2, ...