差分模型和微分模型的算法一致性

差分模型和微分模型的算法一致性

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Method-focused categoriesData-perspectiveGeostatistical analysis

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Chinese {{currentDetailLanguage}} Chinese

差分模型和微分模型的算法一致性

    1)模型的种群统计学部分的矩阵方程:

式中,是一个由非负元素组成的种群统计学矩阵;向量表示年龄组密度随时间的动态变化,它可以转换成:表示单位矩阵。

2)问题在于用微分等价式替换差分模型的误差估算,误差为:

例如,在单位时段中的累积形成n个相当的时间间隔

式中,分别是相应矩阵的特征值和特征向量。

 

 

参考文献

Logofet D O:差分模型和微分模型的算法一致性。Ecological Modelling198112

 

 

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How to Cite

《资源环境数学模型手册》 (2018). 差分模型和微分模型的算法一致性, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/a8b867cc-d669-41f7-bbfb-cf1996a429d7
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Last modifier : 
Kai Wu
Last modify time : 
2020-12-02
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Contributor(s)

initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
Kai Wu
Last modify time : 
2020-12-02
Modify times : 
View History

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