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Abstract

Calculating the matrix inverse is a key point in solving linear equation system, which involves complex calculations, particularly  when the matrix elements are  (Left and Right) fuzzy numbers. In this paper, first, the method of Kaur and Kumar for calculating the matrix inverse is reviewed, and its disadvantages are discussed. Then, a new method is proposed to determine the inverse of  fuzzy matrix based on linear programming problem. It is demonstrated that the proposed method is capable of overcoming the shortcomings of the previous matrix inverse. Numerical examples are utilized to verify the performance and applicability of the proposed method.

Keywords

fuzzy inverse matrix LR fuzzy matrix fuzzy identity matrix

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How to Cite
Babakordi, F., & Taghi-Nezhad, N. A. (2021). Calculating Fuzzy Inverse Matrix Using Linear Programming Problem: An Improved Approach. Pakistan Journal of Statistics and Operation Research, 17(4), 983-996. https://doi.org/10.18187/pjsor.v17i4.3767
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