Open Access

ARTICLE

New Multi-layer Method for Z-number Ranking Using Hyperbolic Tangent Function and Convex Combination

Somayeh Ezadi^a, Tofigh Allahviranloo^b

^a Department of Applied Mathematics, Hamedan Branch, Islamic Azad University, Hamedan, Iran;
^b Department of Mathematics, Science and Research Branch, Islamic Azad University, Tehran, Iran

* Corresponding Author: Tofigh Allahviranloo,