An effective preconditioner based on schur complement reduction for integral-equation formulations of dielectric problems
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
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The author consider effective preconditioning of recently proposed two integral-equation formulations for dielectrics; the combined tangential formulation (CTF) and the electric and magnetic current combined-field integral equation (JMCFIE). These two formulations are of utmost interest since CTF yields more accurate results and JMCFIE yields better-conditioned systems than other formulations.
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