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The banded diagonal matrix preconditioned conjugate gradient (CG) technique and the symmetric successive overrelaxation (SSOR) precondition CG technique are introduced to a dense matrix equation from the mixed potential integral equation (MPIE) to enhance further the computational efficiency of this method. The distribution of current on microstrip structures excited by an applied source is used as an example to describe its implementation. The numerical results demonstrate that the two PCG algorithms converge to an accurate solution much faster than the conventional one.
Antennas and Propagation Society International Symposium, 2002. IEEE (Volume:4 )
Date of Conference: 2002