Research Article
An Efficient Imperialist Competitive Algorithm for Solving the QFD Decision Problem
Table 1
Salient features of the test problems.
| | Problem | Number of variables | Objective function is nonlinear or not | Number of constraints | | Total | Real | Integer | Total | Bounds | Inequality | Equality | | Nonlinear | Linear | Nonlinear | Linear |
| | 1 | 2 | 1 | 1 | Nonlinear | 3 | 2 | 1 | 0 | 0 | 0 | | 2 | 2 | 1 | 1 | Linear | 4 | 2 | 1 | 1 | 0 | 0 | | 3 | 3 | 2 | 1 | Nonlinear | 6 | 3 | 1 | 2 | 0 | 0 | | 4 | 3 | 2 | 1 | Linear | 4 | 2 | 0 | 1 | 1 | 0 | | 5 | 4 | 2 | 2 | Nonlinear | 7 | 4 | 0 | 2 | 1 | 0 | | 6 | 7 | 3 | 4 | Nonlinear | 16 | 7 | 4 | 5 | 0 | 0 | | 7 | 10 | 5 | 5 | Nonlinear | 6 | 5 | 0 | 0 | 0 | 1 |
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