Foundation Settlement Prediction Based on a Novel NGM Model

Table 1

The simulative values and errors of GM (1,1) model and NGM (1,1,𝑘) model.

	Original value	NGM (1,1,𝑘) model		GM (1,1) model
		Simulative value 𝑥^(0)(𝑘)	Error 𝜀(𝑘)	Simulative value 𝑥^(0)(𝑘)	Error 𝜀(𝑘)
𝑥^(0) (1)	8.600	8.600	0.00%	8.600	0.00%
𝑥^(0) (2)	9.320	5.501	40.97%	9.211	1.17%
𝑥^(0) (3)	10.184	9.077	10.87%	10.201	0.17%
𝑥^(0) (4)	11.221	11.065	1.39%	11.297	0.68%
𝑥^(0) (5)	12.465	12.171	2.36%	12.511	0.37%
𝑥^(0) (6)	13.958	12.786	8.39%	13.855	0.74%
𝜀 (avg)			10.66%		0.52%