Potential field continuation: a comparative analysis of three different types of software

M. Ciminale, M. Loddo

Abstract


DARING.F is a new Fortran77 computer program which has been developed to perform the continuation of potential field data between arbitrary surfaces. The implemented equivalent source algorithm inverts a system of linear equations by using sparse matrix. A comparative analysis between the performance of this software and that of two computer programs (named UPWARD.F and UPNEW.F) previously written by the same authors is carried out. As a result of this analysis, some useful and important suggestions on how to obtain the highest level of accuracy of transformed data in various situations (i.e. large matrices of data, close surfaces) are given.

Keywords


potential fields;equivalent sources;sparse matrix;computer programs

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References


DOI: https://doi.org/10.4401/ag-4352
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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X