A memristive chaotic system with flexible attractor growing Jiacheng Gu, Chunbiao Li, Tengfei Lei, Shaobo He and Fuhong Min Eur. Phys. J. Spec. Top., 230 7-8 (2021) 1695-1708 Published online: 20 June 2021 DOI: 10.1140/epjs/s11734-021-00125-w