Publications 1 publication Page 1 of 1 Approximating piecewise nonlinearities in dynamic systems with sigmoid functions: advantages and limitations C. Martinelli, A. Coraddu & A. Cammarano, 2023, Nonlinear Dynamics, 111(9), 8545-8569 DOI: 10.1007/s11071-023-08293-1 Type: article