Stieltjes polynomials

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In mathematics, the Stieltjes polynomials E_n are polynomials associated to a family of orthogonal polynomials P_n. They are unrelated to the Stieltjes polynomial solutions of differential equations. Stieltjes originally considered the case where the orthogonal polynomials P_n are the Legendre polynomials.

The Gauss–Kronrod quadrature formula uses the zeros of Stieltjes polynomials.

If P₀, P₁, form a sequence of orthogonal polynomials for some inner product, then the Stieltjes polynomial E_n is a degree n polynomial orthogonal to P_n–1(x)x^k for k = 0, 1, ..., n – 1.

• Ehrich, Sven (2001) [1994], "Stieltjes polynomials", Encyclopedia of Mathematics, EMS Press

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