只知道大概范围而不知道其确切值的数称为灰数。在应用中,灰数实际上指在某一个区间或某一个一般的数集内取值的不确定数。
...函数;灰数;多指标 [gap=1141]Key words: traffic planning; decision making; TOPSIS; subordinate function; grey number; multi-index ...
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它是一般区间灰数的延伸。
对灰数的完整描述,必须确定出其灰域及可能度模型;
To describe grey number completely, we have to determine its grey field and possibility degree model.
灰数是信息不完全、不确定的数,灰度是灰数灰程度的测度。
The grey grade is the measurement of the grey level of grey number containing incomplete and uncertain information.
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