Application and Non-Homogeneous Index Grey Model NIGM(1,1,k)

Abstract:

To improve the modeling accuracy of grey model and broaden its application fields, a non-homogeneous index grey model (termed NIGM(1,1,k)) was built, which is based on the non-homogeneous dispersion index function and the formula computing the parameters of grey model NIGM(1,1,k) was proposed through the least square method. The function of the time response sequence of the proposed grey model was solved by taking differential equations as a deductive reasoning tool. The proposed grey NIGM(1,1,k) model has the characteristic of high precision as well as high adaptability. Examples validate the practicability and reliability of the proposed model.

• Periodical: Applied Mechanics and Materials (Volumes 34-35)
• Pages: 148-152
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.34-35.148
• Online since: October 2010
• Authors: Zhe Ming He, You Xin Luo, Bin Zeng
• Keywords: Grey System, Modeling Mechanism, NIGM(1,1,k) Model, Non-Homogeneous, Precision

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