Fig. 3From: Fast basis search for adaptive Fourier decompositionEffects of Nrand and Niter in the NM algorithm for the complex-valued signal G(z). Four figures show the computation time and \(E_{N_{\text {decom}}}\) at the 20th decomposition level as well as the mean and the standard deviation of the absolute differences between EN of the conventional method and the NM algorithm at first 20 decomposition levels for different values of Nrand and NiterBack to article page