Arithmetic operations of trapezoidal fuzzy variable using credibility theory

Totan Garai, Dipankar Chakraborty, Tapan Kumar Roy
2017 International Journal of Business Forecasting and Marketing Intelligence  
In this paper, we have developed an alternative method of finding the fuzzy membership function which leads the functions of trapezoidal fuzzy variables. Here we have used the concept of credibility theory to find out an alternative method of computing different type arithmetic operations of trapezoidal fuzzy variables. This method also lead us to find the membership function for the n th root of a trapezoidal fuzzy variable. The method has been illustrated with the help of some numerical examples.
doi:10.1504/ijbfmi.2017.082550 fatcat:pv2mbfxnhvbtjjp4i7udqpkrua