Noise-free Set-Reset latch operation in nonlinear fractional-order systems Qian Cheng, Yuangen Yao, Min Li, Zhouchao Wei and Ming Yi Eur. Phys. J. Plus, 137 8 (2022) 948 Published online: 22 August 2022 DOI: 10.1140/epjp/s13360-022-03197-2