New quadrature formulas based on the zeros of Jacobi polynomials
โ Scribed by A.K. Varma; E. Landau
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 364 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0898-1221
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โฆ Synopsis
The main object of this paper is to construct a new quadrature formula based on the zeros of the polynomial (1 -x2)P(a'f~)(x)P(a'B)' (x), where P(a'f~)(x) is the Jacobi polynomial of degree n. It is interesting to mention that this quadrature formula is closely related to the wellknown Gaussian Quadrature formula, and above all the coefficients ave also nonnegative. Thus, the quadrature formula stated in Theorem 1 converges to .f_l 1 f(x)(1 -x)a(1 + x) f~ dx.
๐ SIMILAR VOLUMES
A necessary and sufficient condition of regularity of \((0,1, \ldots, m-2, m)\)-interpolation on the zeros of the Jacobi polynomials \(P_{n}^{(x, \beta)}(x)(\alpha, \beta \geqslant-1)\) in a manageable form is established. Meanwhile, the explicit representation of the fundamental polynomials, when t
We consider the ``Freud weight'' W 2 Q (x)=exp( &Q(x)). let 1<p< , and let L\* n ( f ) be a modified Lagrange interpolation polynomial to a measurable , where 2 is a constant depending on p and :.