In this paper we introduce two strategies for picking relaxation parameters to control the semiconvergence behavior of a sequential block-iterative method. A convergence analysis is presented. We also demonstrate the performance of our strategies by examples taken from tomographic imaging.
NIKAZAD, TOURAJ and HEIDARZADE, SHSGHAYEGH
"Choosing the relaxation parameter in sequential block-iterativemethods for linear systems,"
Turkish Journal of Mathematics: Vol. 41:
3, Article 23.
Available at: https://journals.tubitak.gov.tr/math/vol41/iss3/23