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非度量距离
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非度量距离
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non-metric distance
非度量距离
给定数据集,对于任意的对象和,如果它们之间的度量满足下面4个条件:①非负性:对于任意两个对象和,有;②自反性:当,有;③对称性:对于任意两个对象和,有;④三角不等式:对于任意三个对象,和,有:。则称为度量距离(metric distance),不满足以上部分条件的被统称为非度量距离(non-metric distance)。
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series of matrices
Series of Ming and Qing Folk Songs
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series of observations
series of order statistics
Series of Poetic Notes Taken by the Recluse of the Brook Tiao
series of positive terms
series of preferred numbers
series of prime numbers
series of publications
Series of Rare-Edition Literary Collections of the Yuan Dynasty
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series of representations
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series of sound
Series of Studies in the History of Science and Technology in Modern China
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Series of the Quintessence of Chinese Culture
series of the reciprocals
Series of Traditional Chinese Operas
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series of variable terms
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更新时间:2025/11/23 8:38:11