@article{almeida_2024,  title={Simulating normal modes and beats in a periodic inductor-capacitor circuit},  volume={46},  ISSN={1806-1117},  url={https://doi.org/10.1590/1806-9126-RBEF-2023-0326},  DOI={10.1590/1806-9126-RBEF-2023-0326},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Almeida, D.E.},  year={2024},  pages={e20230326} }