A new grey quadratic polynomial model and its application in the COVID-19 in China
Abstract This paper develops a new grey prediction model with quadratic polynomial term. Analytical expressions of the time response function and the restored values of the new model are derived by using grey model technique and mathematical tools. With observations of the confirmed cases, the death...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Nature Publishing Group
2021-06-01
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Series: | Scientific Reports |
Online Access: | https://doi.org/10.1038/s41598-021-91970-1 |