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A Chebyshev Quadrature Rule for One Sided Finite Part Integrals

✍ Scribed by Philsu Kim

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 153 KB
Volume: 111
Category: Article
ISSN: 0021-9045
DOI: 10.1006/jath.2001.3572

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✦ Synopsis

This paper is concerned with a Chebyshev quadrature rule for approximating one sided finite part integrals with smooth density functions. Our quadrature rule is based on the Chebyshev interpolation polynomial with the zeros of the Chebyshev polynomial T N+1 ({)&T N&1 (t). We analyze the stability and the convergence for the quadrature rule with a differentiable function. Also we show that the quadrature rule has an exponential convergence when the density function is analytic.