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. Author manuscript; available in PMC: 2008 Aug 18.
Published in final edited form as: J Acoust Soc Am. 2006 Nov;120(5 Pt 1):2450–2459. doi: 10.1121/1.2356839

FIG. 4.

FIG. 4

Peak normalized error for calculations of near-field pressures generated by the triangular source in Fig. 2 plotted as a function of the computation time. The results show that the FNM consistently achieves smaller errors in less time than exact and approximate impulse response calculations for time-harmonic excitations.