Parameter Identification of ARX Models Based on Modified Momentum Gradient Descent Algorithm

Table 4

The parameter estimates and the estimation errors (MMG).

5	−0.0585	−0.7463	0.1831	0.3312	0.2895	52.2903
10	0.0286	−0.7357	0.1746	0.2283	0.1489	44.4168
100	0.2898	−0.6838	0.4946	0.2528	0.1684	2.0996
150	0.3037	−0.7114	0.5219	0.2534	0.1644	2.6841
200	0.3076	−0.6978	0.5114	0.2499	0.1808	1.8318
True value	0.3000	−0.7000	0.5000	0.2500	0.1700