Fig. 10From: Optimized sparse polynomial chaos expansion with entropy regularizationPerformance comparison of OMP, Ent-OMP and HEnt-OMP w.r.t. the high-dimensional function. (a) The relationship between the relative MSE and the size of DoE; (b) The relationship between the sparsity level of several methods and the size of DoE; (c) Enlarged details of the reconstructed PDFBack to article page