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Efficient linear system solution in moment methods using wavelet expansions

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2 Author(s)
Tarricone, L. ; Dipt. Ingeneria Elettronica e Inf., Perugia Univ., Italy ; Malucelli, F.

An efficient strategy is proposed to solve linear systems encountered when method of moments (MoM) and wavelet expansions are used. It exploits a high-performance matrix bandwidth reduction algorithm so that it can be taken advantage of direct banded solvers, which have a more favorable computational complexity with respect to the typically used iterative sparse methods. Speedups of up to seven have been experienced with respect to standard iterative sparse solvers.

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Antennas and Propagation, IEEE Transactions on  (Volume:48 ,  Issue: 8 )