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The variables of organic matter, available N, available P and available K data determined in 193 topsoil (0-30 cm) samples were selected as data sources. Fuzzy c-means clustering algorithm was used to delineate management zones. In order to determine the optimum fuzzy control parameters, the fuzziness performance index (FPI), c-?? combinations and the multiple regression based on external variable...
With regard to group decision making (GDM) problems based on multigranularity interval linguistic, we propose a new consensus method for GDM. Firstly, we transform information of multigranularity interval linguistic into information of fuzzy set in basic linguistic term set, and aggregating these values we obtain group assessment value. Secondly, a consensus mechanism guide experts to adjust their...
The paper firstly introduces the characteristics of higher vocational research oriented courses, and analyzes the deficiency of the common methods used for evaluating the quality of the courses at present. Based on this, more scientific, comprehensive and objective multi-level fuzzy comprehensive evaluation method based on fuzzy theory is brought forward. At the same time, aiming at the characteristics...
Decision-making information often has uncertainty because of inaccurate estimate and survey error. This causes the quantification of information to appear in the form of intervals. To solve the multiple attribute decision-making issues of interval number, a new method based on fuzzy theory is put forward. On the basis of this method, different schemes of the water resources allocation in a certain...
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