Research Article

Extension of Modified Polak-Ribière-Polyak Conjugate Gradient Method to Linear Equality Constraints Minimization Problems

Table 4

Test results for Problem 8 with given initial points.

EMPRP FFR SPCG
Time Iter Time Iter Time Iter

50 99 49 0.0668 78 0.0750 83 0.0286 75
100 199 99 0.0988 113 0.1462 130 0.0826 106
200 399 199 0.1978 123 0.2960 133 0.1864 124
300 599 299 0.3436 128 0.5260 136 0.3504 156
400 799 399 0.4142 134 0.7143 136 0.5804 186
500 999 499 0.6039 152 0.9030 158 0.9331 228
1000 1999 999 2.9065 152 2.9570 158 3.1260 268
2000 3999 1999 8.3408 152 7.8280 158 8.2266 298
3000 5999 2999 19.6086 152 17.4350 158 19.8672 330
4000 7999 3999 46.3268 152 38.1460 158 56.1256 368
5000 9999 4999 75.3972 152 58.3867 158 125.7680 398