Study Improved Background Value Functions of Non-Equidistance GM(1,1) Model in Surveying and Mapping Engineering

Yong He Deng

doi:10.4028/www.scientific.net/AMM.90-93.2887

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 90-93Study Improved Background Value Functions of...

Study Improved Background Value Functions of Non-Equidistance GM(1,1) Model in Surveying and Mapping Engineering

Abstract:

There are some losed datum or mistake datum when GM（1，1）model deals engineering matter,so equidistance GM(1,1) model is restricted and choosing non-equidistance GM(1,1) model is very necessary.The backgroung value functions of modeling research on non-equidistance GM(1,1) model is studied and is considered to be wrong,and strict backgroung value functions is advanced in the paper.The theory and practice approach of the strict method is introduced particularly.Feasibility and validity of this mothod is gained through surveying and mapping engineering .So, the paper has some significance of theory and practice.

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Periodical:

Applied Mechanics and Materials (Volumes 90-93)

Pages:

2887-2890

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.90-93.2887

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Online since:

September 2011

Authors:

Yong He Deng

Keywords:

Background Value, Function, Gray Model, Non-Equidistant Sequence

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