Research Article

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

Table 2

Test results for Problem 6 with given initial points.

EMPRP FFR SPCG
Time Iter Time Iter Time Iter

50 99 49 0.0568 73 0.0660 80 0.0256 70
100 199 99 0.1048 103 0.1060 120 0.0756 90
200 399 199 0.0868 108 0.2660 123 0.0904 97
300 599 299 0.2252 121 0.4260 126 0.7504 123
400 799 399 0.3142 121 0.5150 126 0.9804 153
500 999 499 0.4045 138 0.7030 146 1.4320 176
1000 1999 999 2.6043 138 2.1560 146 3.3468 198
2000 3999 1999 8.2608 138 6.8280 146 9.1266 216
3000 5999 2999 22.4075 138 15.1720 146 28.2177 276
4000 7999 3999 40.1268 138 35.0460 146 56.0604 324
5000 9999 4999 105.6252 138 85.0460 146 128.1504 476