Research Article
Research on the Selection Strategy of Green Building Parts Supplier Based on the Catastrophe Theory and Kent Index Method
Table 1
Elementary catastrophe model.
| | Catastrophe model | Potential function | Control variable | State variable |
| | Fold catastrophe | | 1 | 1 | | Cusp catastrophe | | 2 | 1 | | Swallowtail catastrophe | | 3 | 1 | | Butterfly catastrophe | | 4 | 1 | | Hyperbolic umbilic | | 3 | 2 | | Elliptic umbilic | | 3 | 2 | | Parabolic umbilic | | 4 | 2 |
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