Abstract
The use of the fuzzy expected value (FEV) as a 'typical' grade of membership within a fuzzy set, may occasionally generate improper results. In these cases we replace it by the weighted fuzzy expected value (WFEV) and demonstrate its improved performance. However, when the information available is fuzzy or incomplete, neither the FEV nor the WFEV is applicable. We will explain the concepts of the FEV and the WFEV and show how the WFEV can be modified and still be used to compute a typical value by introducing a new concept - the weighted fuzzy expected interval (WFEI).
| Original language | English |
|---|---|
| Pages (from-to) | 215-223 |
| Number of pages | 9 |
| Journal | Fuzzy Sets and Systems |
| Volume | 37 |
| Issue number | 2 |
| DOIs | |
| State | Published - 10 Sep 1990 |
| Externally published | Yes |
Keywords
- Fuzzy expected value
- fuzzy expected interval
- most typical value
- weighted fuzzy expected interval
- weighted fuzzy expected value
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