Abstract
For solving systems of linear algebraic equations with block-fivediagonal matrices arising in geoelectrics and diffusion problems, the Gauss matrix sweep algorithm is constructed and implemented numerically on multicore Intel CPU using OpenMP technology. The efficiency of the parallel algorithm for solving the problem with quasi-model data is investigated. The comparison of computation times of the iterative conjugate gradient method with regularization, iterative preconditioned conjugate gradient method, and Gauss matrix sweep algorithm is carried out.
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