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DEMATEL Method and Choquet Integral Based on Pythagorean Fuzzy Sets in<br />

Evaluation of Solid Waste Management<br />

Goh Pin Xin<br />

Supervisor: Prof. Dr. Mohd Lazim Bin Abdullah<br />

Bachelor of Science (Computational Mathematics)<br />

School of Informatics and Applied Mathematics<br />

Solid waste problem caused tremendous pressure on the local environment. Design of<br />

solid waste management system (SWMS) should take into consideration of multiple<br />

alternative solutions and evaluation criteria. However, designing an excellent SWMS<br />

which considered all criteria are challenging. The purpose of this research is to determine<br />

the causes and effects criteria of solid waste management (SWM) using Pythagorean<br />

Fuzzy Decision-Making Trial and Evaluation Laboratory (PFDEMATEL) method and rank<br />

the SWMS between two cities by comparing Pythagorean Fuzzy Choquet Integral (PFCI)<br />

value. Data used in this research were collected from related website. Matlab software is<br />

used to obtain the casual diagram of criteria while Fuzzy Measure-Choquet Integral<br />

Calculation System is used to obtain PFCI value. The result shows that the causes and<br />

effects criteria of SWM can be determined by PFDEMATEL while the result of comparing<br />

the PFCI value shows the difference in current SWMS between two cities.<br />

928 | UMT UNDERGRADUATE RESEARCH DAY 2018

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