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Absfruct-A finite-difference time-domain (FDTD) method is described for the efficient solution of wide-band electromagnetic phenomena. The algorithm uses a second-order Lax-Wendroff finite difference algorithm in conjunction with the method of flux-corrected transport to suppress problems with dispersion that occur when solving Maxwell's equations using the standard second-order Yee finite-difference time-domain algorithm. Results are given comparing the accuracy of the Lax-WendroWCT method versus the Yee algorithm for propagating pulsed-type splane waves.

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