Resumen: In this paper, we obtain L 1-weighted norms of classical orthogonal polynomials (Hermite, Laguerre and Jacobi polynomials) in terms of the zeros of these orthogonal polynomials; these expressions are usually known as quadrature rules. In particular, these new formulae are useful to calculate directly some positive defined integrals as several examples show. Idioma: Inglés DOI: 10.1007/s00009-015-0552-0 Año: 2015 Publicado en: Mediterranean Journal of Mathematics (2015), [16 pp.] ISSN: 1660-5446 Factor impacto JCR: 0.599 (2015) Categ. JCR: MATHEMATICS, APPLIED rank: 188 / 254 = 0.74 (2015) - Q3 - T3 Categ. JCR: MATHEMATICS rank: 164 / 311 = 0.527 (2015) - Q3 - T2 Tipo y forma: Article (PostPrint) Área (Departamento): Análisis Matemático (Departamento de Matemáticas)
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