Solution of the Ill-Posed Semiparametric Regression Model Based on Singular Value Modification Restriction

Table 2

Parameter valuation comparison of various methods (normal matrix is seriously ill-posed).

	Truth value	Scheme 1	Scheme 2	Scheme 3	Scheme 4	Scheme 5
	1	41.1267	-0.0356	-1.3633	-0.5574	-0.5368
	1	-221.1655	-0.0261	-0.4572	0.1660	0.0601
	1	317.8136	-0.0195	4.1109	0.6712	0.6730
	1	-167.8547	1.97117	-2.1045	0.1096	0.1395
Alpha	-	1.5046	1.4699	1.571	1.4699	1.46
k	-	-	0.0119	-	0.6403	0.6403
alpha1	-	-	-	-	1.9778	1.409
∆x	-		4.1956	27.0243	4.1219	4.0926
∆s	-	388.9770	37.5001	39.8220	33.8128	33.5758
	-	1.5046	1.0222	1.2490	1.017	1.015

Note. and .