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Computational aspects of pseudospectral Laguerre approximations

Authors
Journal
Applied Numerical Mathematics
0168-9274
Publisher
Elsevier
Publication Date
Volume
6
Issue
6
Identifiers
DOI: 10.1016/0168-9274(90)90003-x
Disciplines
  • Computer Science

Abstract

Abstract Pseudospectral approximations in unbounded domains by Laguerre polynomials lead to ill-conditioned algorithms. We introduce a scaling function and appropriate numerical procedures to limit these phenomena.

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