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Solutions of multiple objective linear programming problems by applying T-sets in imprecise environment

Author

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  • Arindam Garai
  • Palash Mandal
  • Tapan Kumar Roy

Abstract

In this paper, technique to find Pareto optimal solutions to multiple objective linear programming problems under imprecise environment is discussed. In imprecise environment, we observe that more preferable optimal values may be obtained by allowing membership functions to take arbitrary values, i.e., by removing constraints that impose membership values to fall in range between zero and one, than existing fuzzy optimisation techniques. Further, membership functions are not utilised as per definitions in existing fuzzy optimisation techniques. Also, such constraints may make the model infeasible. Consequently, one set viz. T-set is defined to supersede fuzzy set to represent impreciseness. Next, one general algorithm comprising T-sets, is given to find Pareto optimal solutions to multiple objective linear programming problems in imprecise environment. Numerical examples further illustrate proposed algorithm. Finally conclusions are drawn.

Suggested Citation

  • Arindam Garai & Palash Mandal & Tapan Kumar Roy, 2020. "Solutions of multiple objective linear programming problems by applying T-sets in imprecise environment," International Journal of Operational Research, Inderscience Enterprises Ltd, vol. 37(2), pages 198-219.
    • Handle: RePEc:ids:ijores:v:37:y:2020:i:2:p:198-219
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