A Self-Adjusting Spectral Conjugate Gradient Method for Large-Scale Unconstrained Optimization

Table 2

Numerical results for HSDY method.

Function	𝑛	NI	Nfg	𝑇 (0.01 S)	‖𝑔(𝑥)‖∞
Quadratic QF2	10000	1593	1902	1876	7.11𝐸−07
Extended EP1	10000	4	7	4	6.09𝐸−13
Extended Tridiagonal 2	10000	34	55	32	9.40𝐸−07
ARGLINA	10000	5	15	4	1.95𝐸−07
ARWHEAD	10000	13	58	71	4.42𝐸−07
BDQRTIC	5000	171	567	422	6.31𝐸−04
BDEXP	5000	6	8	6	1.72𝐸−07
BRYBND	5000	5	11	1222	2.60𝐸−07
COSINE	10000	21	46	41	8.02𝐸−07
CRAGGLVY	10000	109	255	434	1.45𝐸−06
DIXMAANA	10000	5	10	16	5.13𝐸−07
DIXMAANB	10000	9	18	29	2.21𝐸−07
DIXMAANC	10000	10	21	33	5.42𝐸−07
DIXMAAND	10000	13	29	45	1.14𝐸−07
DIXMAANE	5000	446	541	493	9.24𝐸−07
DIXMAANF	5000	389	876	690	9.60𝐸−07
DIXMAANG	5000	552	660	602	9.85𝐸−07
DIXMAANH	5000	202	5106	3417	4.05𝐸−04
DIXMAANI	5000	365	450	409	9.95𝐸−07
DIXMAANJ	5000	444	532	484	4.95𝐸−07
DIXMAANK	5000	367	452	410	9.77𝐸−07
DQDRTIC	10000	8	17	14	6.35𝐸−07
DQRTIC	10000	37	68	48	3.40𝐸−07
EDENSCH	10000	30	99	85	7.97𝐸−07
EG2	10000	305	2811	879	2.08𝐸−03
ENGVAL1	10000	30	52	21	8.62𝐸−07
EXTROSNB	10000	27	54	21	6.20𝐸−09
FREUROTH	10000	143	283	177	8.01𝐸−07
LIARWHD	10000	32	62	44	1.75𝐸−07
NONDIA	10000	7	14	14	4.57𝐸−07
NONDQUAR	5000	2049	3730	2011	6.68𝐸−07
NONSCOMP	10000	58	100	98	5.03𝐸−07