Discussion on the Application Range of GM (1, 1)

Wu Yue. Discussion on the Application Range of GM (1, 1)[J]. Journal of Beijing University of Technology, 1999, 25(1): 72-75.

Citation:

Wu Yue. Discussion on the Application Range of GM (1, 1)[J]. Journal of Beijing University of Technology, 1999, 25(1): 72-75.

Citation:

Wu Yue. Discussion on the Application Range of GM (1, 1)[J]. Journal of Beijing University of Technology, 1999, 25(1): 72-75.

Abstract

The application of GM(1, 1), which is most used in gray system theory is discussed. It is proved that the scope of application is upon the condition that the original data is positive and concave. The improving methods suited for other conditions are put forward with examples.

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