城市投资环境的评价模型

城市投资环境的评价模型

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Initial contribute: 2018-12-04

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岳天祥编著
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yue@lreis.ac.cn
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城市投资环境的评价模型

(1)专家得分综合评价模型:

1)专家得分单目标评价模型:

 

式中,Qi为某一特定研究目标投资单元i所表现出的基本属性;aj为第j个因子所占的权重;Sj(i)为投资单元i的第j个因子的得分值。

2)专家得分多目标评价模型:

 

式中,Qt(i)为某一特定研究目标投资单元对i于方式t这一目标所表现出的基本属性;aij为对于方式t这一目标第j个因子所占的权重;Sij(i)为对于方式t投资单元i的第j个因子的得分值;t满足

(2)模糊评价模型:

1)多目标模糊评价模型:

确定投资单元应归属目标j0满足:

 

式中,广义模糊“与”运算,“或”运算;ai为单因素fi在总评定中所起作用大学的度量;bj为目标vj对综合评定所得模糊子集的隶属度。

2)单目标模糊评价模型:

 

 

式中,V={bopt}为评价结果集;矩阵单元值越大,所对应的投资单元就越应属于Vopt目标,反之,则越远离目标Vopt

3)连续型分布的因子隶属函数:

 

式中,a,b,c,d为参数。

 

参考文献

苏亚芳:城市投资环境的评价模型及应用。地理研究,1994,13(3)

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《资源环境数学模型手册》 (2018). 城市投资环境的评价模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/8f04a627-94f9-4fe6-b083-37e777416273
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wu kai
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Contributor(s)

Initial contribute : 2018-12-04

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Authorship

:  
岳天祥编著
:  
yue@lreis.ac.cn
:  
View
Is authorship not correct? Feed back

History

Last modifier
wu kai
Last modify time
2020-12-17
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