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A new grey quadratic polynomial model and its application in the COVID-19 in China
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 cases an...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8206087/ https://www.ncbi.nlm.nih.gov/pubmed/34131231 http://dx.doi.org/10.1038/s41598-021-91970-1 |