A Improved Grey Model Based on Cosine Transformation

Wen Zhan Dai; Qi Feng Zheng

doi:10.4028/www.scientific.net/AMR.1049-1050.1609

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1049-1050A Improved Grey Model Based on Cosine...

A Improved Grey Model Based on Cosine Transformation

Abstract:

In this paper, based on the basic theory of GM(1,1), we present a new method based on cosine function transform the discrete data sequence disposed through the standardization processing to improve the smoothness, first we theoretically proved that this transformation can improve smoothness of the original data sequence after a certain standardization, and more effective than some former method, an example is used to demonstrate the effectiveness of this method in the last of this paper.

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Periodical:

Advanced Materials Research (Volumes 1049-1050)

Pages:

1609-1612

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1049-1050.1609

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Online since:

October 2014

Authors:

Wen Zhan Dai*, Qi Feng Zheng

Keywords:

Cosine Transformation, Data Standardization, Grey Model, Prediction, Smooth Degree

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* - Corresponding Author

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