Evolutionary-Based Sparse Regression for the Experimental Identification of Duffing Oscillator

Table 5

Comparison of performance measures, experimental Duffing.

Method	Run time (s)	% error
Genetic programming (exp. 1)	449.411	5.7
Genetic programming (exp. 2)	425.884	5.3
Genetic programming (exp. 3)	539.042	4.1
Sparse regression (exp. 1)	2.092	3.9
Sparse regression (exp. 2)	2.563	4.6
Sparse regression (exp. 3)	2.677	5.2
ESparse algorithm (exp. 1)	12.626	3.9
ESparse algorithm (exp. 2)	12.171	5.6
ESparse algorithm (exp. 3)	12.125	4.7