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Graphic Representation of a Dimensional Expansion of Triangular Fuzzy Number

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  • Yong Sik Yun
  • Qingkai Zhao

Abstract

We calculate Zadeh’s max-min composition operators for two 3-dimensional triangular fuzzy numbers. We prove that if the 3-dimensional result is limited to 2 dimensions, it is the same as the 2-dimensional result, which is shown as a graph. Since a 3-dimensional graph cannot be drawn, the value of the membership function is expressed with color density. We cut a 3-dimensional triangular fuzzy number by a perpendicular plane passing a vertex, and consider the cut plane as a domain. The value of the membership function for each point on the cut plane is also expressed with color density. The graph expressing the value of the membership function, defined in the plane as a 3-dimensional graph using the z-axis value instead of expressing with color density, is consistent with the results in the 2-dimensional case.

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  • Yong Sik Yun & Qingkai Zhao, 2021. "Graphic Representation of a Dimensional Expansion of Triangular Fuzzy Number," Journal of Mathematics, Hindawi, vol. 2021, pages 1-11, July.
    • Handle: RePEc:hin:jjmath:1970553
    DOI: 10.1155/2021/1970553
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