Numerical Solution to Singularly Perturbed Differential Equation of Reaction-Diffusion Type in MAGDM Problems

  • P. John Robinson
  • M. Indhumathi
  • M. Manjumari
Conference paper
Part of the Trends in Mathematics book series (TM)


In multiple attribute group decision-making (MAGDM) problems, weights of decision-makers play a vital role. In this paper, we present a new approach for finding the weights for decision-making process based on singular perturbation problem in which decision-makers’ weights are completely unknown. The attribute weights are derived using the exact and numerical solution for reaction-diffusion type problem. For the decision-making process, we utilize a class of ordered weighted averaging (OWA) operator, and the newly calculated decision-maker weights are used in the computations of identifying the best alternative from the available alternatives. The feasibility of the proposed method is displayed through a numerical illustration, and comparison is made with existing ranking methods.


MAGDM Intuitionistic fuzzy sets Singular perturbation problem Numerical methods Ordered weighted averaging (OWA) operator 


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • P. John Robinson
    • 1
  • M. Indhumathi
    • 1
  • M. Manjumari
    • 1
  1. 1.Department of MathematicsBishop Heber CollegeTrichyIndia

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