State-variables Algebraic approaches 1 Applied voltages 1 Approximation errors 1 Arctangent 1 Asymptotic dependence 1 Bearing 1 Bivariate gaussian distributions 1 Cartesians 1 Circuit simulation 1 Close range 1 Compact model 1 Complex nonlinear dynamics 1 Critical transition 1 Critical transitions 1 Current voltage characteristics 1 Delay-embedding 1 Dynamical systems 1 Early warning 1 Ecosystem services 1 Ecosystems 1 Electronic current 1 Electronic process 1 Embeddings 1 Energy dissipation 1 Entropy 1 Entropy production 1 Extended Kalman filters 1 First-order approximations 1 Fluctuating range 1