Numerical learning approximation of time-fractional sub diffusion model on a semi-infinite domain
Z Hajimohammadi, K Parand - Chaos, Solitons & Fractals, 2021 - Elsevier
The propose of this research is to apply a novel numerical learning approximation of time-
fractional sub diffusion model on a semi-infinite domain. This model is a nonlinear fractional …
fractional sub diffusion model on a semi-infinite domain. This model is a nonlinear fractional …
Jacobi–Sobolev orthogonal polynomials and spectral methods for elliptic boundary value problems
Generalized Jacobi polynomials with indexes α, β ∈ R α, β∈ R are introduced and some
basic properties are established. As examples of applications, the second-and fourth-order …
basic properties are established. As examples of applications, the second-and fourth-order …
Diagonalized Legendre spectral methods using Sobolev orthogonal polynomials for elliptic boundary value problems
Fully diagonalized spectral methods using Sobolev orthogonal/biorthogonal basis functions
are proposed for solving second order elliptic boundary value problems. We first construct …
are proposed for solving second order elliptic boundary value problems. We first construct …
Spectral methods in space and time for parabolic problems on semi-infinite domains
In this paper, we introduce three series of Jacobi rational basis functions on the half line by
using the matrix decomposition technique. The new basis functions are simultaneously …
using the matrix decomposition technique. The new basis functions are simultaneously …
A study on Sobolev orthogonal polynomials on a triangle
R Aktaş Karaman, EG Lekesiz, Y Aygar - Numerical Algorithms, 2023 - Springer
The main aim of this paper is to investigate Sobolev orthogonality and families of orthogonal
polynomials on the triangle as a generalization of the results in Xu, Y. Constr. Approx. 46 …
polynomials on the triangle as a generalization of the results in Xu, Y. Constr. Approx. 46 …
[PDF][PDF] Diagonalized Chebyshev rational spectral methods for second-order elliptic problems on unbounded domains
Diagonalized Chebyshev rational spectral methods for solving second-order elliptic
problems on the half/whole line are proposed. Some Sobolev bi-orthogonal rational basis …
problems on the half/whole line are proposed. Some Sobolev bi-orthogonal rational basis …
[HTML][HTML] Asymptotics of Sobolev orthogonal polynomials for Hermite (1, 1)-coherent pairs
HD Ruiz, FM Español, AM Molano - Journal of Mathematical Analysis and …, 2018 - Elsevier
In this paper we will discuss asymptotic properties of monic polynomials {S n λ (x)} n≥ 0
orthogonal with respect to the Sobolev inner product< p, q> S=∫ R p (x) q (x) d μ 0+ λ∫ R …
orthogonal with respect to the Sobolev inner product< p, q> S=∫ R p (x) q (x) d μ 0+ λ∫ R …
Improved Laguerre Spectral Methods with Less Round-off Errors and Better Stability
S Huang, H Yu - arXiv preprint arXiv:2212.13255, 2022 - arxiv.org
Laguerre polynomials are orthogonal polynomials defined on positive half line with respect
to weight $ e^{-x} $. They have wide applications in scientific and engineering computations …
to weight $ e^{-x} $. They have wide applications in scientific and engineering computations …
Hermite–Sobolev orthogonal functions and spectral methods for second-and fourth-order problems on unbounded domains
Hermite spectral methods using Sobolev orthogonal/biorthogonal basis functions for solving
second and fourth-order differential equations on unbounded domains are proposed. Some …
second and fourth-order differential equations on unbounded domains are proposed. Some …
Sobolev orthogonal Legendre rational spectral methods for problems on the half line
S Li, Q Li, Z Wang - Mathematical Methods in the Applied …, 2020 - Wiley Online Library
Modified Legendre rational spectral methods for solving second‐order differential equations
on the half line are proposed. Some Sobolev orthogonal Legendre rational basis functions …
on the half line are proposed. Some Sobolev orthogonal Legendre rational basis functions …