Figure 1.
Figure 2.
Figure 3.
Figure 4.
Eigenvector ηmax, consistency index CI, consistency ratio CR for “porosity” low Z21 matrix
| Characteristic number of the vector, ηmax | 5.031 |
| Consistency index, CI | 0.126 |
| Consistency ratio, CR | 0.112 |
Fuzzy knowledge matrix related to equation (9)
| IF | THEN | ||
|---|---|---|---|
| Environmental parameters (X) | Socio-economic parameters (Y) | Engineering and technological solutions (Z) | ecological and economic efficiency (E) |
| Low (L) | Low ( ) | Low ( ) | Low (L) |
| Below average (BA) | Low (L) | Low (L) | |
| Low (L) | Below Average (BA) | Low (L) | |
| Below Average (BA) | Below Average (BA) | Average (A) | Below Average (BA) |
| Average (A) | Below Average (BA) | Low (L) | |
| Below Average (BA) | Average (A) | Average (A) | |
| Below Average (BA) | Average (A) | Average (A) | Average (A) |
| Average (A) | Average (A) | Average (A) | |
| Average (A) | Low (L) | High (H) | |
| Above average (AA) | Above Average (AA) | Average (A) | Above Average (AA) |
| Average (A) | Above Average (AA) | High (H) | |
| Low (L) | High (H) | High (H) | |
| High (H) | High (H) | High (H) | High (H) |
| High (H) | Above Average (AA) | High (H) | |
| High (H) | High (H) | Average (A) | |
The pairwise comparison matrix for the linguistic variable “porosity” low (Z21)
| Comparison of the universal set of Z21 parameter | u1 | u2 | u3 | u4 | u5 |
|---|---|---|---|---|---|
| u1 | 1 | 2/3 | 5/9 | 4/9 | 1/9 |
| u2 | 3/2 | 1 | 2/7 | 2/7 | 1/7 |
| u3 | 9/5 | 7/2 | 1 | 8/9 | 1/3 |
| u4 | 9/4 | 7/2 | 9/8 | 1 | 1 |
| u5 | 9 | 7 | 3 | 1 | 1 |