Gradient-descent Gradient methods 3 Neural networks 2 Stochastic systems 2 Artificial intelligence 1 Classification (of information) 1 Closed-loop performance 1 Clustering algorithms 1 Control framework 1 Controller parameter 1 Controllers 1 Convergence rates 1 Data classification 1 Data models 1 Data sequences 1 Domain wall 1 Domain walls 1 Electro-mechanical 1 Ferroelectric materials 1 Ferroelectrics 1 Functions approximations 1 Global conver-gence 1 Gradient's methods 1 Interface kinetics 1 Kinetics 1 Learning systems 1 Linear control systems 1 Linear systems 1 Linear time invariant controller 1 Machine learning 1