Dynamic analysis of a memristor Hopfield neural network with adjustable neuron activation gradient and synaptic weightHongming Liang, Zhiyuan Yu, Zhengxiang Jing, Zhijun Chai and Yunxia WangEur. Phys. J. Plus, 139 3 (2024) 241DOI: https://doi.org/10.1140/epjp/s13360-024-05041-1