Journal
MEDITERRANEAN JOURNAL OF MATHEMATICS
Volume 17, Issue 4, Pages -Publisher
SPRINGER BASEL AG
DOI: 10.1007/s00009-020-01555-x
Keywords
Orthogonal polynomials; Polynomial sequences; Determinant forms
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Funding
- INdAM-GNCS project 2019
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In this paper, an approach to orthogonal polynomials based on matrix calculus is proposed. Known and new basic results are given, such as recurrence relations and determinant forms. New algorithms, similar, but not identical, to the Chebyshev one, for practical calculation of the polynomials are presented. The cases of monic and symmetric orthogonal polynomial sequences and the case of orthonormal polynomial sequences have been considered. Some classical and non-classical examples are given. The work is framed in a broader perspective, already started by the authors. It provides for the determination of properties of a general sequence of polynomials and, therefore, their applicability to special classes of the most important polynomials.
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