LeXInt: Package for exponential integrators employing Leja interpolation

We present a publicly available software for exponential integrators that computes the φl(z) functions using polynomial interpolation. The interpolation method at Leja points have recently been shown to be competitive with the traditionally-used Krylov subspace method. The developed framework facili...

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Bibliographic Details
Published in:SoftwareX 2023-02, Vol.21, p.101302, Article 101302
Main Authors: Deka, Pranab J., Einkemmer, Lukas, Tokman, Mayya
Format: Article
Language:English
Subjects:
Exponential integrators
Leja points
Numerical methods
Polynomial interpolation
Time integration
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Summary:We present a publicly available software for exponential integrators that computes the φl(z) functions using polynomial interpolation. The interpolation method at Leja points have recently been shown to be competitive with the traditionally-used Krylov subspace method. The developed framework facilitates easy adaptation into any Python software package for time integration.
ISSN:2352-7110
2352-7110
DOI:10.1016/j.softx.2022.101302