AUTHOR=Song Feifan , Zhou Yanpeng , Xu Changxian , Sun Zhongbo TITLE=A novel discrete zeroing neural network for online solving time-varying nonlinear optimization problems JOURNAL=Frontiers in Neurorobotics VOLUME=18 YEAR=2024 URL=https://www.frontiersin.org/journals/neurorobotics/articles/10.3389/fnbot.2024.1446508 DOI=10.3389/fnbot.2024.1446508 ISSN=1662-5218