Research Article
On a Dual Direct Cosine Simplex Type Algorithm and Its Computational Behavior
Table 2
The solution of Example
1 by the two-phase method.
| Iteration | | | | | | R1 | R2 | | R.H.S |
| 0 Phase1 | Z′ | 0 | 0 | 0 | 0 | 0 | −1 | −1 | 0 | 0 | | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | R1 | 3 | 1 | −1 | 0 | 0 | 1 | 0 | 0 | 3 | R2 | 4 | 3 | 0 | −1 | 0 | 0 | 1 | 0 | 6 | | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| 1 Phase1 | Z′ | 7 | 4 | −1 | −1 | 0 | 0 | 0 | 0 | 9 | | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | R1 | 3 | 1 | −1 | 0 | 0 | 1 | 0 | 0 | 3 | R2 | 4 | 3 | 0 | −1 | 0 | 0 | 1 | 0 | 6 | | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| 2 Phase1 | Z′ | 0 | 1.67 | −1 | −1 | −2.33 | 0 | 0 | 0 | 2 | | 1 | 0.33 | 0 | 0 | 0.33 | 0 | 0 | 0 | 1 | R1 | 0 | 0 | −1 | 0 | −1 | 1 | 0 | 0 | 0 | R2 | 0 | 1.67 | 0 | −1 | −1.33 | 0 | 1 | 0 | 2 | | 0 | 0 | 0 | 0 | −0.33 | 0 | 0 | 1 | 3 |
| 3 Phase1 | Z′ | 0 | 0 | −1 | 0 | −1 | 0 | −1 | 0 | 0 | | 1 | 0 | 0 | 0.2 | 0.6 | 1 | −0.2 | 0 | 0.6 | R1 | 0 | 0 | −1 | 0 | −1 | 0 | 0 | 0 | 0 | | 0 | 1 | 0 | −0.6 | −0.8 | 0 | 0.6 | 0 | 1.2 | | 0 | 0 | 0 | 1 | 1 | 0 | −1 | 1 | 1 |
| 4 Phase2 | Z′ | 0 | 0 | 0 | 0.2 | 1.6 | Blocked | Blocked | 0 | 3.6 | | 1 | 0 | 0 | 0.2 | 0.6 | 0 | −0.2 | 0 | 0.6 | R1 | 0 | 0 | −1 | 0 | −1 | 1 | 0 | 0 | 0 | | 0 | 1 | 0 | −0.6 | −0.8 | 0 | 0.6 | 0 | 1.2 | | 0 | 0 | 0 | 1 | 1 | 0 | −1 | 1 | 1 |
| 5 Phase 2 | Z′ | 0 | 0 | −1.6 | 0.2 | 0 | Blocked | Blocked | 0 | 3.6 | | 1 | 0 | −0.6 | 0.2 | 0 | 0 | −0.2 | 0 | 0.6 | | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | | 0 | 1 | 0.8 | 0.6 | 0 | 0 | 0.6 | 0 | 1.2 | | 0 | 0 | −1 | 1 | 0 | 0 | −1 | 1 | 1 |
| 6 Phase 2 | Z′ | 0 | 0 | −1.4 | 0 | 0 | Blocked | Blocked | −0.2 | 3.4 | | 1 | 0 | −0.4 | 0 | 0 | 0 | −0.2 | −0.2 | 0.4 | | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | | 0 | 1 | 0.2 | 1 | 0 | 0 | 0.6 | 0.6 | 1.8 | | 0 | 0 | −1 | 0 | 0 | 0 | −1 | 1 | 1 |
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