A Spectral Dai-Yuan-Type Conjugate Gradient Method for Unconstrained Optimization

Table 2

Test of the robustness of SDYCG.

Number	Function name
		Iter.	Time(s)	Iter.	Time(s)	Iter.	Time(s)
1	DQDRTIC	245	0.3436	290	0.3951	338	0.4567
2	QUARTC	1	0.0012	28	0.1273	27	0.1482
3	Diagonal 6	5	0.0176	8	0.0267	4	0.0153
4	Extended DENSCHNB	13	0.0110	18	0.0159	16	0.0177
5	Extended DENSCHNF	22	0.0636	17	0.0519	24	0.0820
6	LIARWHD	12	0.0186	11	0.0193	17	0.0320
7	EDENSCH	30	0.1897	30	0.18753	30	0.1860
8	EG2	9	0.0404	9	0.0392	9	0.0404
9	ENGVAL1	28	0.0893	29	0.1064	31	0.1294
10	FLETCBV2	53	0.1080	53	0.1377	53	0.1355