Optimal choice of grid points in multidimensional pseudospectral Fourier methods (Q1104060)
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scientific article; zbMATH DE number 4054966
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Optimal choice of grid points in multidimensional pseudospectral Fourier methods |
scientific article; zbMATH DE number 4054966 |
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Optimal choice of grid points in multidimensional pseudospectral Fourier methods (English)
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1988
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The authors show that for multidimensional pseudospectral Fourier methods sampling efficiency is improved by using a skewed grid derived from a dense packing of spheres rather than a rectangular grid. A considerable gain is found for the five-dimensional Laplacian and for a pair of hydrogen atoms.
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sampling grid
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Schrödinger equation
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pseudospectral Fourier methods
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dense packing of spheres
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Laplacian
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0.8870535
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0.8703725
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0.86757374
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0.8627071
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0.8606364
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0.8603333
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