Abstract:Some properties of polynomials associated with strong distribution functions are given, including conditions for the polynomials to satisfy a three term recurrence relation. Strong distributions that are extensions to the four classical distributions are given as examples.
“…It is easily verified that the examples of strong symmetric distributions given in [4] are strong c-symmetric distributions (with c -ab in the first two examples and c = a in the other).…”
Section: W(c/t)mentioning
confidence: 80%
“…These polynomials are very much related to the Laurent polynomials considered for example in [2]. Here, first we present some results, a good part of which are given in [4], and the rest easily follow from these.…”
Section: Introductionmentioning
confidence: 80%
“…Sri Ranga [2] For any strong distribution, di//(t), the relations (i) Q n {z) is a monic polynomial of degree n, for n > 0, In the three examples of strong symmetric distributions given in [4], namely, the strong Tchebycheff, the strong Legendre and the strong Hermite distributions, we note that the coefficients a n and P n of the associated recurrence relations satisfy, in addition to the expected condition fi n = 0, n > 1, the condition that a 2n are constant for all n > 1. We show here that this is due to these distributions being members of a "special" class of strong symmetric distributions.…”
In this paper, we consider a class of strong symmetric distributions, which we refer to as the strong c-symmetric distributions. We provide, as the main result of this paper, conditions satisfied by the recurrence relations of certain polynomials associated with these distributions.1991 Mathematics subject classification (Amer. Math. Soc.): 30 E 05, 33 A 65.
“…It is easily verified that the examples of strong symmetric distributions given in [4] are strong c-symmetric distributions (with c -ab in the first two examples and c = a in the other).…”
Section: W(c/t)mentioning
confidence: 80%
“…These polynomials are very much related to the Laurent polynomials considered for example in [2]. Here, first we present some results, a good part of which are given in [4], and the rest easily follow from these.…”
Section: Introductionmentioning
confidence: 80%
“…Sri Ranga [2] For any strong distribution, di//(t), the relations (i) Q n {z) is a monic polynomial of degree n, for n > 0, In the three examples of strong symmetric distributions given in [4], namely, the strong Tchebycheff, the strong Legendre and the strong Hermite distributions, we note that the coefficients a n and P n of the associated recurrence relations satisfy, in addition to the expected condition fi n = 0, n > 1, the condition that a 2n are constant for all n > 1. We show here that this is due to these distributions being members of a "special" class of strong symmetric distributions.…”
In this paper, we consider a class of strong symmetric distributions, which we refer to as the strong c-symmetric distributions. We provide, as the main result of this paper, conditions satisfied by the recurrence relations of certain polynomials associated with these distributions.1991 Mathematics subject classification (Amer. Math. Soc.): 30 E 05, 33 A 65.
Abstract. We consider the convergence of Gauss-type quadrature formulas for the integral ∞ 0 f (x)ω(x)dx, where ω is a weight function on the half line [0, ∞). The n-point Gauss-type quadrature formulas are constructed such that they are exact in the set of Laurent polynomialsIt is proved that under certain Carleman-type conditions for the weight and when p(n) or q(n) goes to ∞, then convergence holds for all functions f for which fω is integrable on [0, ∞). Some numerical experiments compare the convergence of these quadrature formulas with the convergence of the classical Gauss quadrature formulas for the half line.
“…In [9,10,11,12] some results can be found regarding the polynomials defined by (1.3) for weight functions satisfying a property different from (1.2). For some studies of polynomials given by a variation of (1.3), see [5,6,7].…”
Abstract. We show how symmetric orthogonal polynomials can be linked to polynomials associated with certain orthogonal L-polynomials. We provide some examples to illustrate the results obtained. Finally as an application, we derive information regarding the orthogonal polynomials associated with the weight function (1 + kx2)(l -x2)~1/2, k>0.
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