A New Pseudo-Spectral Method Using the Discrete Cosine Transform
The pseudo-spectral (PS) method on the basis of the Fourier transform is a numerical method for estimating derivatives. Generally, the discrete Fourier transform (DFT) is used when implementing the PS method. However, when the values on both sides of the sequences differ significantly, oscillatory a...
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
MDPI AG
2020-03-01
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| Col·lecció: | Journal of Imaging |
| Matèries: | |
| Accés en línia: | https://www.mdpi.com/2313-433X/6/4/15 |
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