The Sethian and Popovici paper “3-D traveltime computation using the fast marching method” that appeared in Geophysics, Vol. 64, 516-523, discussed a method to solve the eikonal equation for first arrival traveltimes which was called the “fast marching” method. The method, as the authors demonstrated, is very fast and stable. However, their method is very similar to the method discussed by F. Qin et al. (1992), entitled “Finite difference solution of the eikonal equation along expanding wavefronts,” Geophysics, Vol. 57, 478-487. F. Qin et al. first proposed the “expanding wavefront” method for solving eikonal equation in the 60th Ann....
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Discussion| January 01, 2000
On “3-D traveltime compuation using the fast marching method” (J. A. Sethian and A. M. Popovici, Geophysics, 64, 516-523).
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Fuhao Qin; On “3-D traveltime compuation using the fast marching method” (J. A. Sethian and A. M. Popovici, Geophysics, 64, 516-523).. Geophysics ; 65 (2): 682. doi: https://doi.org/10.1190/1.1444764
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