An Algorithm for Computing Fundamental Solutions of Difference Operators |
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| Authors: | Henrik Brandén Per Sundqvist |
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| Affiliation: | (1) Department of Scientific Computing, Information Technology, Uppsala University, Box 337, 751 05 Uppsala, Sweden |
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| Abstract: | We propose an FFT-based algorithm for computing fundamental solutions of difference operators with constant coefficients. Our main contribution is to handle cases where the symbol has zeros. |
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| Keywords: | discrete fundamental solutions fast Fourier transform |
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