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Multipole expansions and pseudospectral cardinal functions: A new generalization of the fast fourier transform

โœ Scribed by John P. Boyd

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
258 KB
Volume
103
Category
Article
ISSN
0021-9991

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A new iterative method to compute the Green's function for continuum systems is presented. It is based on a Newton polynomial expansion of the corresponding propagator, followed by accurate half-Fourier transformation. The new technique is remarkably stable, accurate and can handle very large system