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Yet Another Look at FDTD Numerical Errors [EM Programmer's Notebook]

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4 Author(s)
Garcia, S.G. ; Univ. of Granada, Granada ; Bretones, A.R. ; Pantoja, M.F. ; Lopez, R.G.

In this communication, we revisit and discuss the relationships among the truncation, discretization, phase, and amplitude dispersion errors of a finite-difference scheme. We show with a simple example how the truncation-error analysis plays a critical role in understanding the numerical inaccuracies not revealed by numerical-dispersion analyses.

Published in:

Antennas and Propagation Magazine, IEEE  (Volume:49 ,  Issue: 3 )

Date of Publication:

June 2007

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