Research Article

A Conjugate Gradient Type Method for the Nonnegative Constraints Optimization Problems

Table 1

The numerical results.

Dim Algorithm 4Zoutendijk method
Iter Time Iter Time

3 2 1973 1.5710
4 2 201 0.2290
6 2 30 0.0160
3 35 0.0160
4 39 0.0470
10 124 0.1210
50 220 0.5370
8 3 44 0.0150 40 0.2188
11 3 3 0.0000 4 0.1094
15 4 10 0.0160 20 0.1563
18 6 322 0.0690 1936 12.0938
19 11 438 0.5440 8338 72.4219
23 50 12 0.0300 4 0.5000
24 100 142 0.3750
25 100 38 0.0810 6 0.3438
26 100 8 0.0470 6 0.1250
1000 4 47.9060 4 190.1406