Dynamic research of hidden attractors in discrete memristive neural network with trigonometric functions and FPGA implementationFei Yu, Si Xu, Yue Lin, Ting He, Xiaoli Xiao, Shuo Cai and Yi LiEur. Phys. J. Spec. Top., 234 9 (2025) 2713-2729DOI: https://doi.org/10.1140/epjs/s11734-024-01173-8