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- Title
Combined Legendre Spectral-Finite Element Methods for Two-Dimensional Fredholm Integral Equations of the Second Kind.
- Authors
Panigrahi, Bijaya Laxmi
- Abstract
In this paper, we will discuss on the Combined Legendre spectral-Finite element methods (CLSFEM) for the two-dimensional Fredholm integral equations with smooth kernel on the Banach spaces and the corresponding eigenvalue problem. In these methods, the approximated finite dimensional space is the cartesian product of spline space and Legendre polynomial space. The problem is approximated by the CLSFEM using orthogonal projection, which projects from the Banach space into the finite dimensional space. The convergence analysis for both Fredholm integral equations and the corresponding eigenvalue problem will be discussed in both L2 and L ∞ norms. The numerical results will be shown to validate the theoretical estimate.
- Subjects
FREDHOLM equations; INTEGRAL equations; SPECTRAL element method; BANACH spaces; ORTHOGRAPHIC projection; EIGENVALUE equations
- Publication
Numerical Functional Analysis & Optimization, 2022, Vol 43, Issue 16, p1801
- ISSN
0163-0563
- Publication type
Academic Journal
- DOI
10.1080/01630563.2022.2135540