系统科学与信息学报(英文)

中国科学院数学与系统科学研究院期刊网

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A Nonlinear Grey Bernoulli Model with Conformable Fractional-Order Accumulation and Its Application to the Gross Regional Product in the Cheng-Yu Area

Wenqing WU, Xin MA, Bo ZENG, Yuanyuan ZHANG

系统科学与信息学报(英文), 2024, 12(2): 245-273. DOI: 10.21078/JSSI-2023-0119

Year	Data	GM (1, 1)	CFGM (1, 1)	NGBM (1, 1)	CFNGBM (1, 1)	CFNGBM (1, 1, λ)
2013	1096.93	1096.9300	1096.9300	1096.9300	1096.9300	1096.9300
2014	1195.81	1159.1940	1159.1940	1164.5985	1198.1427	1208.9946
2015	1280.63	1268.2728	1268.2729	1266.9683	1244.4876	1292.7850
2016	1335.40	1387.6159	1387.6159	1384.8165	1370.1718	1418.1893
2017	1481.61	1518.1889	1518.1889	1516.9931	1516.7485	1557.4231
2018	1709.81	1661.0488	1661.0488	1663.9501	1674.9166	1706.0332
2019	1863.31	1817.3515	1817.3515	1826.7023	1842.5091	1863.3100
2020	2003.42	1988.3622	1988.3622	2006.5796	2019.1730	2029.4984
2021	2205.15	2175.4648	2175.4648	2205.1499	2205.1500	2205.1500
MAPE _simu (%)		2.6516	2.6516	2.4895	2.0067	2.7178
MAPE _pred (%)		1.5214	1.5214	0.7075	0.6342	0.4339
MAPE_total (%)		2.2278	2.2278	1.8213	1.4920	1.8614

Table 8 The results of the gross regional product of Leshan by the GM$(1, 1)$, CFGM$(1, 1)$, NGBM$(1, 1)$ and CFNGBM$(1, 1)$ models

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