A Hopfield neural network with multiple attractors and its FPGA design Karthikeyan Rajagopal, Jesus M. Munoz-Pacheco, Viet-Thanh Pham, Duy Vo Hoang, Fawaz E. Alsaadi and Fuad E. Alsaadi Eur. Phys. J. Special Topics, 227 7-9 (2018) 811-820 Published online: 19 October 2018 DOI: 10.1140/epjst/e2018-800018-7