Wang, Zhongde, John L. Volakis, Katsuo Kurabayashi, and Kazuhiro Saitou. “An Efficient Preconditioner (LESP) for Hybrid Matrices Arising in RF MEMS Switch Analysis”. Applied Computational Electromagnetics Society Journal (ACES) 22, no. 3 (June 18, 2022): 327–332. Accessed May 13, 2026. https://journals.riverpublishers.com/index.php/ACES/article/view/16357.