Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2014 Vol: 6 Issue: 6

Study of fuzzy gravity center evaluation method based on fuzzy mathematical theory


In order to improve the credibility of the evaluation method, a new evaluation method based on fuzzy gravity center was proposed. In this method, the experts’ scoring in the cartesian coordinate system are displayed graphically, the abscissa of gravity center is the final evaluation of indicators, the ordinate of gravity center is with the reliability information of the indicators’ evaluation, which reflects the reliability of the evaluation. Further, the paper introduces the concept of deviation rate to reflect the impartiality of the final score coming from experts. The method is more flexible and more intelligent due to the fact that it takes into account of the degrees of confidence of decision-makers' opinions.

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