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Numerical algorithm with fourth-order accuracy for the direct Zakharov-Shabat problem

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Abstract

We propose a finite-difference algorithm for solving the initial problem for the Zakharov-Shabat system. This method has the fourth order of accuracy and represents a generalization of the second-order Boffetta-Osborne scheme. Our method permits the Zakharov-Shabat spectral problem to be solved more effectively for continuous and discrete spectra.

© 2019 Optical Society of America

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