Right from the fuzzy number developed by Zadeh (1965), new series of uncertain number are developed by researchers like grey number (Deng 1989), rough number (Zhai et al. 2007), Type-2 fuzzy number (Mendel & John 2002), neutrosophic numbers (Smarandache 2003), Z- number (Zadeh 2011), D-number (Deng 2012), shadowed fuzzy set (Pedrycz 1998).
Recently, in the year 2015-2017, are there any methods developed.
Have you focused on soft set and belief function for this study?.You?must perform comparative study.
I think the fuzzy number is unreliable since it is irreversible, However, the Z number has advantages of the robustness of the crisp set and the simplification of the fuzzy set.
I had made a short report about the Z number for my advanced control systems course, send me a message if you would like to check on it
Dear Khaled Mohamed Rady,
Surely, I want to explore and check on the short report on Z number.
Regards
kajal
Here is the link for my research:
Technical Report RESEARCH ON THE Z-NUMBER
, If I may also suggest that you check the contributions of Hassen Taher Dorrah regarding super fuzzy which is similar to the z-number.
B.R.
Khaled
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