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Journal of Pure and Applied Mathematics

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A high accurate method for solving an inverse problem of the Laplace equation in detection of a Robin coefficient

Author(s): S Naowapanich, U Poolsawa, U Petchon, S Satsue, W Foosang and Chunhakasem Chotinaiwattarakul*

This study deals with an inverse problem for the harmonic equation to recover a Robin coefficient on a non-accessible part of a circle from Cauchy data measured on an accessible part of that circle. By assuming that the available data has a Fourier expansion, we adopt the Modified Collocation Trefftz Method (MCTM) to solve this problem. We use the truncation regularization method in combination with the collocation technique to approximate the solution, and the conjugate gradient method to obtain the coefficients, thus completing the missing Cauchy data. We recommend the least squares method to achieve a better stability


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Citations : 16

Journal of Pure and Applied Mathematics received 16 citations as per Google Scholar report

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