Results 231 to 240 of about 61,530 (261)

Identification via completeness for discrete covariates and orthogonal polynomials

, 2012
Yevgeniy Kovchegov, Neşe Yıldız
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Non-commutative L p spaces and Grassmann stochastic analysis. [PDF]

Probab Theory Relat Fields
De Vecchi F, Fresta L, Gordina M, Gubinelli M.   +3 more
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Discrete orthogonal polynomials reduced models based on shift-transformation and discrete Walsh functions

International Journal of Systems Science, 2022
This paper investigates model order reduction (MOR) methods of discrete-time systems via discrete orthogonal polynomials in the time domain. First, this system is expanded under discrete orthogonal polynomials, and the expansion coefficients are computed
Zhaoxi Wang, Yaolin Jiang, Kangli Xu
semanticscholar   +1 more source

Stieltjes’ theorem for classical discrete orthogonal polynomials

, 2020
The purpose of this note is to establish, from the hypergeometric-type difference equation introduced by Nikiforov and Uvarov, new tractable sufficient conditions for the monotonicity with respect to a real parameter of zeros of classical discrete ...
K. Castillo, F. R. Rafaeli, A. Suzuki
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2-Orthogonal polynomials and Darboux transformations. Applications to the discrete Hahn-classical case

, 2021
In this paper, we are interested in the following problem. We assume that is a monic 2-orthogonal polynomial sequence and we analyse the existence of a sequence of 2-orthogonal polynomials such that we have a decomposition This constitutes the ...
F. Marcellán, H. Chaggara, N. Ayadi
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Exceptional Orthogonal Polynomials via Krall Discrete Polynomials

, 2020
We consider two important extensions of the classical and classical discrete orthogonal polynomials: namely, Krall and exceptional polynomials. We also explore the relationship between both extensions and how they can be used to expand the Askey tableau.
A. J. Durán
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Discrete Invariant Curve Flows, Orthogonal Polynomials, and Moving Frame

, 2020
In this paper, an orthogonal polynomials-based (OPs-based) approach to generate discrete moving frames and invariants is developed. It is shown that OPs can provide explicit expressions for the discrete moving frame as well as the associated difference
Bao Wang, Xiang-Ke Chang, Xing-Biao Hu, Shi‐Hao Li   +3 more
semanticscholar   +1 more source