With the minimum square sum of weighted Euclidean distances as the objective function, the unified theory and cyclical iteration model of fuzzy cluster, recognition and optimum decision are founded.

通过以全体样本对全体类别加权广义欧氏权距离平方和最小为目标函数，建立了模糊聚类、识别与优选决策统一的理论与循环迭代模型。

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He supposes that the central bank wants to minimise the weighted sum of the square of the inflation gap and the square of the output gap.

ECONOMIST: The message is the medium-term