1. Objective
A company wants to evaluate and prioritize suppliers based on their performance in critical areas: Quality (C1), Cost (C2), Delivery Reliability (C3), and Sustainability (C4). The goal is to determine the causal relationships between these criteria to improve supplier selection strategies.
2. Determining the model, criteria and alternative
Model: fuzzy dematel
Number of Criteria: 4
Criteria:
The criteria identified for supplier evaluation are:
C1 (Quality): Ability to meet product standards.
C2 (Cost): Competitive pricing.
C3 (Delivery Reliability): Timely and accurate deliveries.
C4 (Sustainability): Environmental and social responsibility.
3. Input data
The table below indicates the direct relation matrix, which is the same as pairwise comparison matrix of the experts.
The direct relation matrix
| Quality | Cost | Delivery Reliability | Sustainability | |
| Quality | (0.000,0.000,0.000) | (0.250,0.500,0.750) | (0.000,0.250,0.500) | (0.000,0.000,0.250) |
| Cost | (0.000,0.250,0.500) | (0.000,0.000,0.000) | (0.250,0.500,0.750) | (0.000,0.250,0.500) |
| Delivery Reliability | (0.250,0.500,0.750) | (0.000,0.250,0.500) | (0.000,0.000,0.000) | (0.250,0.500,0.750) |
| Sustainability | (0.000,0.000,0.250) | (0.250,0.500,0.750) | (0.250,0.500,0.750) | (0.000,0.000,0.000) |
The following table shows the fuzzy scale used in the model.
Fuzzy Scale
| Code | Linguistic terms | L | M | U |
| 1 | No influence | 0 | 0 | 0.25 |
| 2 | Very low influence | 0 | 0.25 | 0.5 |
| 3 | Low influence | 0.25 | 0.5 | 0.75 |
| 4 | High influence | 0.5 | 0.75 | 1 |
| 5 | Very high influence | 0.75 | 1 | 1 |
4.Run Software
The data is placed in the software and the software is executed. The following video shows the implementation of the software:
5.Get Result
In this step, you can see the result of the report. The report is presented in three types of formats: online report, Excel and Word. You can view or download three types of formats below.
You can also run your project in Fuzzy AHP online software: