A Herglotz wavefunction method for solving the inverse Cauchy problem connected with the Helmholtz equation

A Herglotz wavefunction method for solving the inverse Cauchy problem connected with the Helmholtz equation

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Article ID: iaor20125509
Volume: 237
Issue: 1
Start Page Number: 215
End Page Number: 222
Publication Date: Jan 2013
Journal: Journal of Computational and Applied Mathematics
Authors: , ,
Keywords: response surface, differential equations
Abstract:

This paper is concerned with the Cauchy problem connected with the Helmholtz equation. On the basis of the denseness of Herglotz wavefunctions, we propose a numerical method for obtaining an approximate solution to the problem. We analyze the convergence and stability with a suitable choice of regularization method. Numerical experiments are also presented to show the effectiveness of our method.

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